ʻO ka hoʻohana ʻana i nā kini tinplate e hoʻopaʻa i ka kofe hiki ke pale i ka makū a me ka pōʻino, a ʻaʻole e hana i nā mea ʻino ma muli o nā loli kaiapuni. Aia kekahi uhi kūikawā i loko o nā kini tinplate no ke kaʻawale a me ka pale. I ka manawa like, e like me ka hiki ke kope, ma hope o ka paʻi ʻana, pono e uhi ʻia me kahi papa o ka varnish e hoʻonui ai i ka ʻili o ka ʻili a me ke kūʻē ʻana o ka ʻāpana i paʻi ʻia, a hoʻonui pū i kekahi paʻakikī, no laila ua loaʻa ka uhi paʻi. kekahi degere o ka maʻalahi a me ka pale ʻana i ka corrosion.