ke tsena dikeletso: netefatsa hore bana ha ba fihlelle dithutswana tsa mollo, dilaetara, petrole le parafini, dikerese, kgase le mabone a parafini.

nawa lamanye emathiphu: beka umetjiso, kwekulumeka, tivutsisi (iphethroli naphalafini), emakhandlela, tibani tegesi netaphalafini kanye netifutfumeti lapho bantfwana bangafikeli khona.
