Akụkọ ụlọ ọrụ

Akụkọ ihe mere eme nke galvanizing
site admin na 22-07-29
N'afọ 1836, Sorel dị na France weputara nke mbụ n'ime ọtụtụ patent maka usoro mkpuchi nchara site n'itinye ya na Zinc a wụrụ awụ mgbe ihichachara ya mbụ.O nyere usoro ahụ aha ya 'galvanizing'.Akụkọ banyere galvanizing malitere ihe karịrị afọ 300 gara aga, mgbe onye alchemist-abịa-chemist rọrọ nrọ ...
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