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What is a BTU?
THE ORIGIN OF THE BRITISH THERMAL UNIT The British thermal unit (BTU or Btu) is a traditional Imperial unit of energy. It is the amount of energy needed to...
What is a BTU?
THE ORIGIN OF THE BRITISH THERMAL UNIT The British thermal unit (BTU or Btu) is a traditional Imperial unit of energy. It is the amount of energy needed to...
History of cast Iron radIators
Believe it or not, cast iron was invented in China around the 5th century BC, it was poured into molds that were then used to make things such as weapons,...
History of cast Iron radIators
Believe it or not, cast iron was invented in China around the 5th century BC, it was poured into molds that were then used to make things such as weapons,...