Katika Kipengele cha uwekaji mfumo wa Umeme katika jengo mpaka kukamilika hupitia hatua 3 kuu.
(1) kutindua ( plan and design circuit's) hii inahusika na ujengaji wa metal box zote single na double, mainswitch, waterproof box pamoja na round box na uwekaji wa bomba baada ya hatua hii plasta na...
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