yottapascal ton/square inch [short] How to Remove Continental Refrigerator Electrical Controls for Authorized Technicians, Continental Refrigerator Error Codes & Resolutions for Authorized Technicians, R134a Pressure Chart for Refrigerators, Prep Tables & More, How to Adjust a Kolpak Walk-In Door Sweep, Replacing a Kolpak Walk-In Freezer Door Heater Wire, Adjusting Kolpak Walk-In Cooler Door Hinges & Closers, Replacing a Kolpak Walk-In Door Gasket & Handle. Please enter the name by which you would like to log-in and be known on this site. The gas pressure at the present heater is very low, about 2" W. C. because of the long run and diameter of the gas pipe, below 1 1/4". centihg It is the quantity of heat required to raise the temperature of one pound of liquid water by 1 degree Fahrenheit at the temperature that water has its greatest density (approximately 39 degrees Fahrenheit). inch of water column to kilogram/square centimetre meter of air [0 C] barye Setting Realistic Customer Expectations w/ Ed Janowiak, We had a situation a few months back where we needed to monitor amperage on a grocery store panel over a period of time. used in this pressure calculator. 1 in. mercury. British Thermal Units Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! pound/square inch [gauge] One cubic foot of Natural Gas = roughly 1000 BTU. per sq. Larger orifice hole means more BTUs to the burner, assuming all else is the same. foot of air [15 C] Typical nominal pressure at the burner for Natural Gas is 3.5" of water column. 1 watt is approximately 3.412 BTU per hour. inch of water column to dekapascal, Convert inch of water column to another unit, inch of water column to technical atmosphere, inch of water column to kilogram/square centimetre, inch of water column to inch water [4 C]. Volume of a room = 300 sq ft x 8 ft = 2,400 ft 3. dekapascal Ask Our Pros-Owner Assistance - NO DIY advice will be given. We use a manometer or a Magnehelic and measure the negative air pressure in the system return side before the blower (and after the filter whenever possible) and the positive pressure supply air side directly after the blower. water. 4. Because BTUs are measured per hour, the 500 comes from one gallon of water that weighs 8.33 pounds, times 60 minutes in one hour. Alternate spelling: inches of water column. The specific gravity of natural gas varies from 0.55 to 1.0 . Please enter a password for your user account. In my area there was a regulator at the tank way before it was piped into the the house. To convert PSI to WC, just multiply the PSI measurement by 27.708 to get the measurement in WC. Pipe length must include additional length for all fittings. kilogram-force/square millimetre water column = 0.578 oz. But opting out of some of these cookies may affect your browsing experience. Water Column to kilogram-force/square millimeter. BTU Calculator for Weighed Water Test. We don't collect information from our users. Which Cordless Drill is Best for HVAC Work? An Ultra Low NOx gas water heater is one that emits a lower level of nitrogen oxide than a standard gas water heater. What Happens If You Put R134a in an R12 System? A normal rating for a natural gas appliance like a furnace is a minimum pressure of 4.5-in WC and a maximum of 13.6-in WC. Water Column to kilopond/square centimeter millitorr The main issue [], 2021 - HVAC School | All rights reserved. Take your WC measurement and divide it by 27.708 to get the measurement in PSI. How to Test a Wire for Voltagein 5 Steps. meganewton/square metre Always read the manufacturer's specs. kilonewton/square metre centimeter water [4 C] Water weighs 8.33 pounds per gallon so we can calculate that one gallon of water requires 8.33 BTU to raise the temperature 1F. Vintage Gauge-Ounces per square inch + Inches of Water Column By Marshalltown . Or, multiply by 100000/6894.757 = 14.503774. The water will go higher if the pressure is higher, providing you the correct measurement. newton/square millimetre Copyright 2010-2022 CosmoLogic LLC. ton/square inch [long] Generated by Wordfence at Wed, 18 Jan 2023 12:10:56 GMT.Your computer's time: document.write(new Date().toUTCString());. There are 28 inches of water in 1 psi, so it is a fairly small amount of pressure Pounds per square inch (psi) - used for measuring gas pressure in the distribution system and other areas where pressure exceeds the traditional 7" WC . Residential water heaters tank units typically 30 or 40,000 BTUs/Hour in gas. L=Pipe Length, D = Pipe Diameter), Velocity Pressure Factor (K) forWater : K = C*D**E: Pressure Drop (PD) = K*VP, LOW PRESSURE STEAMPIPE SIZING CRITERIA : Flow Rates of Steam (lbs/hr), HIGH PRESSURE STEAMPIPE SIZING CRITERIA : Flow Rates of Steam (lbs/hr), CONDENSATE FLOWRATE (lbs/hr) Condensate Return Pressure = 0 psig. Size, Natural Gas - Pipe Sizing - Metric Values, Download Natural Gas Pipe Capacity Chart as pdf-file. You can use this form to select from known units: Convert inch of water column to This gas pressure will not work efficiently with a 300,000+ BTU pool heater that I need. By calculating the differential, you come up with the total external static in inches of water column. Today were talking BTUs and what that really means when it comes to your gas fire pit. Natural gas (1000 BTU/ft3)has less BTU's per cubic foot than LP (liquid propane) (2500 btu/ft3) 5. 1 pascal is equal to 0.010197162129779 Water Column, or 0.0040146307866177 inch of water. atmosphere [technical] megabar inch of water column to hectopascal hectobar LP is used typically at 10-11 inches of water column. 30 Water Column to inch of water = 11.81102 inch of water. Many manometers and all Magnehelic gauges (to my knowledge) have two ports so that you can read the differential pressure all at once. symbols, abbreviations, or full names for units of length, Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. 0.5 inch water column. The capacity of a 100 ft natural gas pipe with a nominal diameter 0.5 inches (actual ID 0.622 in ), and 0.5 inches WC pressure drop can be calculated as, k = [(0.622 in )5 /(1 + 3.6 / (0.622 in) + 0.03 (0.622 in))]0.117, q = 3550 0.117 ( (0.5 in) / (100 ft) 0.60 ) 1/2 = 37.9 cfh. mercury = 13.6 in. As we mentioned in our article about natural gas pressure for restaurant equipment, WC derives from the pressure required to move one inch of water up a U-tube. So 7wc is about 1/4 PSI. inch of water column to centihg Some of our calculators and applications let you save application data to your local computer. Those are normally LP gas pressures and sometimes the gas valve is different for LP and sometimes the pilot and/or burner orifices must be changed to a smaller diameter when going from natural to LP. inch of water to Water Column, or enter any two units below: Water Column to millimeter of mercury That also comes in handy when reading/testing differential pressure on many furnace air pressure switches to ensure that they make and break at the proper pressure. Commercial Foodservice Equipment Repair and the Right to Repair Act, 8 Mistakes to Avoid as a Repair Technician, Best Automatic Wire Strippers for Technicians in 2023, 7 Types of Electrical Testers & Their Uses, 5 Best Wire Strippers for Technicians for 2023, 7 Best Electrician Pliers for Technicians in 2023, Best Oscillating Tools for Technicians in 2023, Best Power Tools for Electricians in 2023, A Fast & Easy Guide on How to Calibrate a Multimeter, Master How to Use Wire Strippers in 7 Steps or Less, Discover How to Find a Ground Wire in 4 Different Ways, Air Tools vs. Electric Tools: Discover 5 Pros & Cons, How to Measure Current with a Multimeter in 5 Steps. Sometimes, you will bump into the word entropy, and I wanted to take a stab at making it more understandable. Natural Gas Pipes - Low Pressure Capacities vs. Many appliances need an additional pressure reducing valve at their gas inlet to keep the pressure under their maximum. Tankless water heaters can be a great solution to provide hot water; however, most tankless water heaters have a BTU capacity ranging from 140,000 to 200,000 or more, which makes a tankless water heater one of the largest single appliances on a typical gas system. decipascal What do you mean by water harvesting and its importance? per sq. A Btu is the amount of heat necessary to raise the temperature of 1 pound (0.45 kilograms) of water one degree Fahrenheit (0.56 degrees Celsius). These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. yoctopascal inch of water column to technical atmosphere So how do you convert from WC to PSI or from PSI to WC? Accessories Pumps, Cooling Towers, Evap Condensers, etc, Components Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. Natural gas (1000 BTU/ft3)has less BTUs per cubic foot than LP (liquid propane)(2500 btu/ft3), 5. You will then receive an email that helps you regain access. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. 2022 - 2023. Check out the HVACR Training Symposium and order your virtual tickets before, during, or after the symposium (Jan 19-21, 2023) at https://hvacrschool.com/symposium. Lets get technical. Wordfence is a security plugin installed on over 4 million WordPress sites. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. . You can put the information in writing and make clients sign the paperwork to ensure that they understand the expectations youve set. dyne/square centimetre Commercial tank water heaters 199,000 BTUs to about 500,000 BTUs/Hour. decibar 1 oz. 1 Pound of Gas (1 PSI) = 28 Water Column (w.c.). What Pressure Should R404a Run at on a Cooler? WC is typically used as measurement in residential equipment, but some low-pressure commercial equipment use this as well. millimeter of mercury [0 C] You may experience unwanted noise and a blowtorch effect Pressure too Low? You can find metric conversion tables for SI units, as well One British thermal unit (Btu) is approximately . WC 27.708 = 0.3609067 PSI Your email address will not be published. Universal Single Stage Heat Pump Defrost Control, One HSI Furnace Control to Rule Them All w/ Jim Fultz, We need to Pay Better! What does it mean that the Bible was divinely inspired? Condition of Square Nominal Diameters of Iron or Lead Service Pipe in Inches Discharge Inch 1/2 5/8 3/4 1 1 1/2 234 6 Marshalltown Gauge Ounces Per Square Inch + Inches of Water Column . Technical Details Product Class Water Heaters. This action will also remove this member from your connections and send a report to the site admin. gigapascal Please enable Javascript to use ton/square foot [short] Water Column to kilobar Type in unit The tables below can be used for natural gas pipe sizing. micropascal For example, to convert from bar to pounds per square inch you would multiply by 100000 then divide by 6894.757. meter of air [15 C] Less primary air is done by closing the air shutter. This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". sthene/square metre ton/square metre = 0.127 in. While cleaner than a wood fire it still can be dangerous due to CO2 generated. Post Likes. Formula: WC 27.708 = PSI For example, if you divide 10 inches WC by 27.708, it converts to about 0.3609067 PSI. The downstream pressure in a houseline after the meter/regulator is in general in the. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. On an RV the LP gas pressure is regulated by a two stage regulator. www.contractingbusiness.com is using a security service for protection against online attacks. centibar This cookie is set by GDPR Cookie Consent plugin. millimeter water [4 C] Product Information. Water Column to meter of head in. zeptobar Commercial tank . Higher gas pressure means more BTUs to the burner, again assuming all else is the same. Heat pumps perform differently than furnaces, and oversized furnaces typically present fewer problems than oversized heat pumps in areas with high latent loads. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hour or the energy released by burning one match. The pool contractor believes elevating the gas pressure at the meter to 11" WC will provide 4-4.5" WC at the pool heater which is what the heater needs. If you are a WordPress user with administrative privileges on this site, please enter your email address in the box below and click "Send". Only emails and answers are saved in our archive. gram/square centimetre pound/square foot A BTU describes the energy content or heat value of fuels. Energy-Models.com is built in San Francisco, CA and Slinger, WI USA. - free apps for offline use on mobile devices. Including recorded tech training, interviews, diagnostics and general conversations about the trade. or just wc or WC), inAq, Aq, or inH 2 O.The units are conventionally used for measurement of certain pressure differentials such as small pressure differences across an orifice, or in a pipeline or shaft, or before and after a compressor in . inch of water column to exabar A British thermal unit (Btu) is a measure of the heat content of fuels or energy sources. In general it is common to set Most air conditioners have their capacity rated in British thermal units (Btu). inch of air [15 C] in. Cookies are only used in the browser to improve user experience. Clients must also be willing to acknowledge that systems wont perform exactly as designed during partial load conditions. Real training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. the unit converter.Note you can turn off most ads here: WC, " wc, etc. : Phase Out, Alternatives & More, Garland Grill Shutdown and Startup Procedure, Convotherm Mini Combi Shutdown and Startup Procedures, Manitowoc Ice Machine Shutdown and Startup Procedures, Long Term Shutdown of Randell Preparation Tables and Freezers, Nieco Broiler Long Term Shutdown and Startup Procedures, Blodgett Convection Oven Long Term Shutdown, Blodgett Combi Oven Long Term Shutdown Procedure, APW Wyott, Bakers Pride & Star Brands Equipment Shutdown Procedures, Henny Penny McDonalds LOV Fryer Long Term Shutdown, ShutDown procedure for AccuTemp Evolution Steamer, AccuTemp Accu-Steam Griddle shutdown procedure, PST/PGT/PSC Star Sandwich Grill Troubleshooting for Technicians, How to Run PGT/PCS/PSC/PST Star Sandwich Grill Diagnostics, Removing & Replacing a Garland SIT Thermocouple, Checking a Garland SIT Control Safety Valve, Garland SIT Control Adjustment & Replacement, Dormont Installation Guide for Technicians, How to Test and Replace the Gas Safety Valve on a Pitco Fryer, How To Convert Appliances From Natural Gas To Propane, Frymaster Tech Training - Troubleshooting a Fryer with an MIB, Frymaster Tech Training - MIB Operation on an Automatic Filter Fryer, Removing the UI Board from an Ovention Matchbox 1718: Tech Tips, Removing the SD Card from an Ovention Matchbox 1718: Tech Tips, Removing the LCD Screen from an Ovention Matchbox 1718: Tech Tips, Resetting the High Limit on an Ovention Matchbox 1718: Tech Tips. 1 Btu/h = 0.293 W Steel Pipe - Schedule 40 pressure less than 1 1/2 psig pressure drop 0.5 inches water column specific gravity of natural gas energy content in natural gas 10 1 Cubic Foot (CF) = Approx 1,000 BTUs 1 CFH = 1 MBH common to use fittings factor 1.5 - equivalent pipe length in table above = pipe length + 50% What does BTU mean for hot water heaters? We assume you are converting between water column [centimeter] and inch of water [4 C]. attobar Like most units of measure, it has a very simple origin; in a water manometer, 1 of water column is literally the amount of force it takes to raise the column of water by 1". Access from your area has been temporarily limited for security reasons. One BTU is the amount of heat energy required to raise one pound of water by 1F. Answer: psi/100' = 11 velocity = 32,000 fpm, Figure - 17 Steam Flow Rates at Various Pressures and Velocities for Schedule 40 Pipe Source: ASHRAE, For natural gas the nominal BTU/cf varies from about 900 to 1100 BTU/cf. Product Information. This is the normal pressure that household natural gas is delivered. micrometer of mercury [0 C] In general it is common to set, For natural gas the nominal BTU/cf varies from about, 900 to 1100 BTU/cf. technical atmosphere At altitudes over 2000 above sea level, you will also need to follow manufacturer recommendations to adjust the gas valve and even change orifice sizes, in some cases, due to the effect the lower atmospheric pressure has on the gas. The SI derived unit for pressure is the pascal. Specific Gravity is the weight of a volume of gas compared to the weight of the same amount of air. The service requires full JavaScript support in order to view this website. While some water manometers (water tubes) are still in use, the vast majority are either dial or digital gauges that still use the same scale. How much energy does one pound of water have? foot mercury [0 C] centimeter mercury [0 C] kip/square foot Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Water Column to PSI Conversion Chart & Formula. barad You also see a Specific Gravity of .60. 6. Like most units of measure, it has a very simple origin; in a water manometer, 1 of water column is literally the amount of force it takes to raise the column of water by 1. Note that rounding errors may occur, so always check the results. The BTU's are in the gas not its pressure. Natural gas water heater control with 4 inches water column, 1/2" national pipe thread gas inlet by 1/2" inverted flare outlet, 1-1/4" shank length, adjustable from 70 degrees to 160 degrees fahrenheit, robertshaw 79,000 btu. Participate in over 40 different forums and search/browse from nearly 3 million posts. Instead, you are going to want to use a two-stage regulator like the MB Sturgis Vertical 2-Stage Propane Regulator part # 108220 which will supply between 11-12.5 inches of water column. picobar Will there be any issues with the other appliances with the higher natural gas pressure of 11" W. C.? BTU output will generally range from 30,000 to 100,000 on a fire pit or outdoor decorative appliance. 1 pascal is equal to 0.0040146307866177 inch of water column, or 0.010197162129779 g/ (cm^2). F. The #1 question asked by NEW MEMBERS. petapascal Research Professor Blodgett Combi Error Codes for Authorized Technicians, Lincoln Pizza Oven Repair & Installation for Authorized Technicians, Lincoln Impinger Pizza Oven Parts Diagram, Changing the Direction of the Conveyor on a Star Ultra Max Conveyor Oven, Frymaster Series 35 Troubleshooting guide, Contains spam, fake content or potential malware, natural gas pressure for restaurant equipment. But perhaps a more relevant description of BTUs for a fire pit or outdoor decorative appliance is that the greater the BTU the more flame and the more heat the fire pit or appliance will generate. This process is automatic. Being honest and aggressive is one of the best ways to set realistic expectations, and our load calculations and equipment selection need to reflect that. That's why we need to divide the total volume by 60; hence 4,800/60 = 80 CFM. In the gas distribution network and high-pressure systems exceeding 7 inches WC for natural gas or 11 inches WC for liquid propane, the unit of measurement is PSI. What is thought to influence the overproduction and pruning of synapses in the brain quizlet? 3. yottabar You will be redirected once the validation is complete. yoctobar How many BTUs do you need to heat 45 pounds of water? millimeter of water [4 C] Your email address will not be published. All Outdoor GreatRoom Company Crystal Fire Plus burners do. Notify me of follow-up comments by email. The SI derived unit for pressure is the pascal. 3 How many BTU to raise 1 pound of water? Measurement unit: inch of water column Full name: inch of water column Plural form: inches water column Symbol: inch wc Alternate spelling: inches of water column Category type: pressure Scale factor: 249.08890833333 Recommended videos Powered by AnyClip AnyClip Product Demo 2022 / Loaded 0% AnyClip Product Demo 2022 NOW PLAYING 4. Inches of water column is a measurement of how much force it takes to push a . The flame appearance and height on a burner is affected by a number of things besides the BTU: 1. We assume you are converting between inch of water column and gram/square centimetre. Sponsored . For natural gas the nominal BTU/ft3 varies from about 900 to 1100 BTU/ft3. terabar Gas pressure is usually measured in WC, so we most commonly set single-stage appliances to 3.5WC on natural gas and 11WC on propane. Learn more about the training ACCA has to offer at https://www.acca.org. Motor puller tools are an awesome backup tool when needed, but using a motor puller tool shouldnt be the go-to method of removing a motor. What amount of heat energy is needed to raise the temperature of 1 pound of water by 1 F? The Outdoor GreatRoom Company Example: 10 in. These cookies will be stored in your browser only with your consent. range of 7 to 11 inches Water Column, or about 1/4 psi. millibar femtobar micron mercury [0 C] By clicking Accept All, you consent to the use of ALL the cookies. For RV appliances to operate properly, and safely the operating pressure should be 10 to 11 inches of water column. The BTU multiplier in the formula is 500. kilopond/square centimetre There are 27.7 inches of water column pressure in 1 PSI of pressure. In general it is common to set. These applications will - due to browser restrictions - send data between your browser and our server. Water Column to PSI Conversion Formula To convert WC to PSI, the formula is simple. www.contractingbusiness.com is using a security service for protection against online attacks. pieze A gallon of liquid propane contains 91,502 btu's. A pound of liquid propane contains 21,591 btu's. I have a low pressure regulator but it does not seem to supply enough gas for my appliance. That's why everyone raised their eyebrows at the 7.5 - 11.5 in WC. 20 Water Column to inch of water = 7.87402 inch of water. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. 1 Ton = 25 Million (app.) The job of the first stage is to regulate the vapor pressure coming out of the container, which can be as high as 250 psi, down to 10 psi or less. In general it is common to set, The capacity of a low pressure natural gas (less than 1 psi) pipe line can be calculated with the Spitzglass formula like, For natural gas the nominal BTU/cf varies from about 900 to 1100 BTU/cf . pressure drop 0.5 inches water column; specific gravity of natural gas 0.6; One MBH is equivalent to 1000 BTU's per hour (0.29 kW = 0.29 kJ/s) energy content in natural gas 1000 Btu/ft 3 (37.26 MJ/m 3) steel pipes schedule 40; For natural gas the nominal BTU/ft 3 varies from about 900 to 1100 BTU/ft 3. water column [millimeter] micrometer of water [4 C] metres squared, grams, moles, feet per second, and many more! terapascal Type in your own numbers in the form to convert the units! 1 Water Column to inch of water = 0.3937 inch of water, 5 Water Column to inch of water = 1.9685 inch of water, 10 Water Column to inch of water = 3.93701 inch of water, 20 Water Column to inch of water = 7.87402 inch of water, 30 Water Column to inch of water = 11.81102 inch of water, 40 Water Column to inch of water = 15.74803 inch of water, 50 Water Column to inch of water = 19.68504 inch of water, 75 Water Column to inch of water = 29.52756 inch of water, 100 Water Column to inch of water = 39.37008 inch of water. 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Water Column or That's why everyone raised their eyebrows at the 7.5 - 11.5 in WC. ton/square foot [long] For example, if you divide 10 inches WC by 27.708, it converts to about 0.3609067 PSI. micron of mercury [0 C] Ready To Start a Restaurant Equipment Repair Company? centimeter of mercury [0 C] Elevated Natural Gas Pressure: 7.5" to 11" Water Column - Appliance Issues. You can view more details on each measurement unit: RULES for AOP - Owner Assistance and Contractors, The ARPA Zone/Open Membership Discussion Forums, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, How To Become a Pro and Rules For Pro Members, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. The more primary air the bluer the flame color will become and the shorter the flame will be. foot water [4 C] Re: water column vs. btu Author: hj (AZ) Not much because 1" is almost too low to generate a flame. To change it 2 times per hour (ACH = 2), we need to deliver 4,800 ft 3 per hour. Below is a PDF of tables that show conversions from WC to PSI and PSI to WC: Please confirm you want to block this member. Example - Natural Gas Pipe Capacity dekabar How to Conduct Diagnostics on Delfield Specification Line, How to Replace a Delfield Specification Line Touchscreen, When and How to Adjust a Thermostatic Expansion Valve (TXV), What is R22 Refrigerant? Please enter a valid email address for yourself. exabar What are some examples of how providers can receive incentives? . 2. Luckily, we can help you out! foot of air [0 C] We don't save this data. For example, if you divide 5 PSI by 27.708, it converts to about 138.54 inches WC. The answer is 0.39370079003585. There are about 27.708 inches WC per 1 PSI. More primary air is added by opening the air shutter* more at the orifice location. attopascal If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords.
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