Ukukhetha umnatha wocingo oludityanisiweyo lomgangatho ophantsi wocingo lwentsimbi yekhabhoni, ngokuchaneka okuzenzekelayo kunye nezixhobo ezichanekileyo zoomatshini, ukusetyenzwa kwe-welding, ukusetyenziswa kwenkqubo yokudipha i-zinc yonyango lomphezulu, imveliso eqhelekileyo yaseBritane, umphezulu ogudileyo kunye nococekileyo, iyunifor eqinileyo...
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