
#1
Engineeringby Duncan MacPhun
Denis Papin built the first steam engine in 1705 and, by 1800, Boulton and Watt had built 451steam engines. In 1870, the British produced 4 million tons of coke for iro...
Completed

#2
Rubber Acceleratorby yusheng1
https://www.yushengmax.com/products/rubber-accelerator/
Rubber accelerators are chemicals used to speed up the vulcanization process of rubber, transforming untreated na...

#3
Autoclave Machine Used in Rubber V...by etsaindustry
https://www.etsaindustry.com/autoclave-for-rubber-vulcanization.html
Autoclave Machine Used in Rubber Vulcanization Industry
Rubber autoclave vulcanization refers to the...