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Le mar. 1 nov. 2022 à 14:09, Michael Payne <[email protected]<mailto:[email protected]>> a écrit : ** Caution: EXTERNAL Sender ** The message I just sent to NPR via their website. metric system Always convert metric figures. Add within square brackets if part of a quote. Do Americans "largely use units like inches, yards, pounds and gallons”. Certainly, but it’s the media that demotes or removes metric units in their publications. So who does use metric in the USA? If you work on cars yourself you use millimeters, all nuts and bolts on cars are metric. All vehicle manuals have the torque in Newton meters. Which leads to the question, why do mechanics have to purchase inch and metric wrenches and sockets? They must not realize all nuts and bolts are metric! US vehicles prior to 1975 are not metric, that’s almost 50 years ago, how many people work on US made vehicles over 50 years old? If you take your car to a garage they use millimeter wrenches and sockets. How many, 423,670 men and women are mechanics. All cars built in the USA and overseas are designed and built to millimeter specifications with metric nuts and bolts. This includes GM, Ford, Chrysler (Stellanis), Tesla, etc. How many 1.7 Million. If you are a farmer, or work on construction equipment and own a John Deere or Caterpillar you use millimetres, all nuts and bolts on John Deere and Caterpillar are metric. Even the steel in Caterpillar equipment is purchased in hard millimeter dimensions. They have to sell these products worldwide so metric is standard. How many: 2.02 million farms so probably 4 million workers. If you’re a doctor or work in hospital you use Celsius, kilograms, grams, milligrams etc. It’s necessary to know your mass in kilograms to calculate the drug dose, converting errors would double or halve the required dose. All newborn babies in the USA are weighed in grams which is converted to pounds and ounces for the parents. How many? 22 million https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.census.gov%2Flibrary%2Fstories%2F2021%2F04%2Fwho-are-our-health-care-workers.html&data=05%7C01%7Cusma%40lists.colostate.edu%7C082d073f301c4da1e9e208dabc859a26%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C638029579381089606%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=trcWykUAuF1ZwD%2FC5aWN1Y97x3DJWM7yM7zG%2BIeZosA%3D&reserved=0<https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.census.gov%2Flibrary%2Fstories%2F2021%2F04%2Fwho-are-our-health-care-workers.html&data=05%7C01%7Cusma%40lists.colostate.edu%7C082d073f301c4da1e9e208dabc859a26%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C638029579381089606%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=trcWykUAuF1ZwD%2FC5aWN1Y97x3DJWM7yM7zG%2BIeZosA%3D&reserved=0> If you are an Air traffic controller you use Celsius even in the USA because all airports give the air temperature in Celsius (listen +1 703 661 2990). All upper air temperature and pressure is in Celsius and kilopascals. How many people, 9430. If you are a Pilot in the USA all airport temperature and dew point temperature are in Celsius, all aircraft performance data is in Celsius. If you fly outside the USA you will then have to deal with visibility in metres and pressure in hectopascals. How many? 691,690 pilots. If you work for the National Weather Service you are exposed to metric units all day every day. The pressure inside hurricanes is measured in mb by the NWS which is millibars, a deprecated unit known worldwide as a hectopascal. How many, 5000. If you are a scientist you only use metric. The news media will change it to what they think the public wants. How many, 50,000. People who work at JPL and NASA use metric, these numbers are changed to US customary for public consumption. How many, JPL >6,000 & NASA 17,330. If you work at Space X all units used even for launch data, are all metric. 10,000 workers. If you are an architect or civil engineer you will need to know metric if you want to work outside the USA. It may be trivial, but affects a lot of the population. If you want to mount your large, flat-screen TV to the wall, it uses the VESA mounting system for the TV bracket, the mounting points are specified in millimeters and the mounting hardware is metric fasteners. The basic mounting points are multiples of 100 mm, and the fasteners are M4 for small, lightweight monitors, M6 or M8 for larger, heavier sets. The mounting to the wall is typically Customary wood screws into the studs. 128,579,000 households effected. If you’re a civil engineer in many state DOTs you need to understand metric to read certain metric record plans. All work is now done in US Customary but for a number of years agencies built projects in metric units. Rehab work on those projects will require an understanding of metric. The US Army uses exclusively metric units so that they can understand and communicate distances with NATO member, they use the same ammunition and do not get lost outside the USA. https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.quora.com%2FWhy-US-Army-uses-metric-system-despite-the-fact-that-imperial-system-is-widely-used-in-USA&data=05%7C01%7Cusma%40lists.colostate.edu%7C082d073f301c4da1e9e208dabc859a26%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C638029579381089606%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=j%2BVnUpbL1XTMStbWtWRmd%2Bu9QGGFzA4qhi%2B4IhgLfHk%3D&reserved=0<https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.quora.com%2FWhy-US-Army-uses-metric-system-despite-the-fact-that-imperial-system-is-widely-used-in-USA&data=05%7C01%7Cusma%40lists.colostate.edu%7C082d073f301c4da1e9e208dabc859a26%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C638029579381089606%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=j%2BVnUpbL1XTMStbWtWRmd%2Bu9QGGFzA4qhi%2B4IhgLfHk%3D&reserved=0> How many? 1,358,500 people. Approximate Total number of people who use metric in the USA every day: 159 Million people. You do a disservice to the country by denying all these millions of citizens the ability to use a logical system of measurement used worldwide. I could go on but it’s a sizable percentage of the US population. So it appears the only people in the USA not using metric is the US news media. _______________________________________________ USMA mailing list [email protected]<mailto:[email protected]> https://lists.colostate.edu/cgi-bin/mailman/listinfo/usma
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