hat
silenn oksijèn se yon espesyal veso presyon ki wo pou estoke ak transpòte oksijèn. Li konpose de kò boutèy, boutèy baskètbòl, valv boutèy ak bouchon boutèy. Gen de Gwoup Mizik kawotchou chok sou deyò a nan t ...
eng
Oxygen cylinder is a special high pressure vessel for storing and transporting oxygen. It is composed of bottle body, bottle hoop, bottle valve and bottle cap. There are two shockproof rubber bands on the outside of t...