floatation agent वाक्य
"floatation agent" हिंदी में floatation agent in a sentenceउदाहरण वाक्य
- By 1923 his lab was working on accelerators for manufacture of synthetic rubber and soon after extended the research to include antioxidants for gasoline and rubber, floatation agents, insecticides, seed disinfectants, and large scale manufacture of tetraethyllead.