Amapayipi ensimbi anogqinsi anodonga oluqinile asephenduke into ekhethwayo kuzo zonke izimboni ezihlukahlukene ngenxa yamandla awo amangalisayo, ukuqina, nokumelana nokugqwala. Lawa mapayipi asetshenziswa kakhulu ekuhloleni uwoyela, ekusetshenzisweni kwe-petrochemical, ama-boilers, ukukhiqizwa kwezimoto, kanye nemishini esindayo ...
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