Asphalt ea peterole, lisebelisoa tse tala ka bophara, litheko tse tlase. Leha ho le joalo, maemo a fokolang a ho sebetsa, a thata ho netefatsa boleng, tšilafalo e tebileng ea tikoloho. Coal tar epoxy, e bonolo ho sebetsa, empa nako e telele e koahelang lera e phekoloa ke tšusumetso ea tikoloho, e loketseng mosebetsi oa tšimo, tse latelang 10 ℃ diffi...
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