Lentsoe "chemistri ea ho qetela" ke lentsoe le khethehileng mosebetsing oa ho etsa pampiri.Hangata e sebelisoa ho hlalosa likarolo tse fapaneng (tse kang likhoele, metsi, joalo-joalo) , li-fillers, li-additives tsa lik'hemik'hale, joalo-joalo) molao oa ho sebelisana le ketso.Ka lehlakoreng le leng, k'hemistri ea pheletso e metsi e ka sebelisoa ho enh ...
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