I le tele o pisinisi kemisi, o loʻo faʻaaogaina le okesene i le gaosiga o le nitric acid, sulfuric acid, isi mea faʻapipiʻi, ma acids.O le okesene i lona tulaga sili ona gaoioi, o lona uiga, osone, e faʻaaogaina i vailaʻau faʻamaʻi eseese e faʻaleleia ai le fua o le tali ma faʻamautinoa le faʻamaʻiina atoatoa o le ...
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