ʻO ka hoʻomaʻamaʻa ʻana i ka ʻupena pale pale ʻEulopa: hoʻoheheʻe wela a me ka uila uʻi + plastic spraying.Hot dip galvanization ʻo ke kaʻina o ka hana ʻana i kahi papa o ka zinc metala ma ka ʻili ma ke kaomi ʻana i nā mea metala maʻemaʻe a i ʻole nā ʻāpana i loko o ka hopena zinc hoʻoheheʻe ʻia ma o ka hopena kemika. hiki ke kū'ē i nā makahiki heʻumi. Electrogalvanization + plastic-spraying ka hoʻohanaʻana i ka electrolysis,
ʻO ke kaʻina hana o ka hoʻokumu ʻana i ka waiho ʻana o ka metala a i ʻole nā mea i hoʻopili maikaʻi ʻia ma ka ʻili o kahi ʻāpana.
Nā Huahana i Manaʻo ʻia