Isetyenziswe kwintsimi yokuqinisa iipleyiti zetsimbi ezahlukeneyo, imibhobho kunye namanye amashishini okuvelisa.Okwangoku, isetyenziswa ngokubanzi kwindibano yeemveliso ze-electromechanical kunye nokukhanya kwemizi-mveliso efana nemoto, ukuhamba ngenqwelomoya, umzila kaloliwe, ifriji, ilifti, iswitshi, isixhobo, ifenitshala kunye ne ...
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