imarka yemali yezingqamuzi
Amamaki we-copper ball amelela intuthuko ebalulekile kwezobuchwepheshe bokumaka ingqalasizinda, ehlanganisa ukuqina namakhono okucacisa indawo. Lezi zimpawu eziyindilinga, ezakhiwe ngethusi eliphakeme, zenzelwe ukuqinisekisa ukuthi izimpahla ezihlukahlukene zisetshenziswa ngaphansi komhlaba. Amamaki asebenza ngesimiso sobuchwepheshe obungekho emandleni kagesi, awadingi umthombo wamandla wangaphakathi ngenkathi egcina ukutholakala okuqhubekayo kuyo yonke impilo yawo yokusebenza. Ngamunye walezi zimpawu wakhelwe ukuba umelane nezimo ezinzima ezingaphansi komhlaba, kuhlanganise nokushisa okweqile, umswakama, nokuchayeka kwamakhemikhali, futhi kulindeleke ukuba uphile iminyaka engaphezu kwengu-50. Ukuma kwesibaya kuqinisekisa ukubonakaliswa kwesignali okuhle kakhulu kungakhathaliseki ukuthi imaki ihamba kanjani, okwenza ithembeke kakhulu endaweni eqondile yomsebenzi. Lezi zimpawu zilungiswe ngokukhethekile ukuze ziphendule kumaza okuhlola ajwayelekile embonini, avumela ukuthola ngokunembile ekujuleni okungafika ku-5 feet. Ukwakhiwa kwethusi akugcini ngokuqinisekisa ukugeleza okuhle kakhulu kodwa futhi kunikeza nokumelana nokugqwala nokubola. Ukufakwa kulula, ngokuvamile kwenziwa ngesikhathi sokubekwa kokuqala komsebenzi noma imisebenzi yokugcina ngemuva kwalokho, okwenza kube yisixazululo esihle kakhulu kumaphrojekthi amasha engqalasizinda kanye nemizamo ekhona yokwakha imephu yomsebenzi.