Ukulawula izinga lokushisa okuhlakaniphile, umoya opholile ongenasithwathwa, ubusha obuhlala isikhathi eside;
I-compressor yomkhiqizo, epholile ngokulinganayo, egcina izakhi zomzimba namanzi akulula ukulahlekelwa;
Ishubhu yesiqandisi se-copper yonke, ijubane lesiqandisi elisheshayo nokumelana nokugqwala;
Ukusebenzisa phansi okonga amanzi, insimbi engagqwali, ukumelana kakhulu nokugqwala;
Ifanele izikhathi ezihlukahlukene, izindawo zokudlela zamabhodwe ashisayo, izitolo zengulube, izitolo ezintsha, njll.
Ukuthengisa okuqondile kwasefekthri, ngaphandle kokukhathazeka ngemva kokuthengisa.