1- Ukulungiswa kwezinto Ngaphambi kokufakwa nokwakhiwa kwendawo yokugcina izinto ezibandayo, kufuneka kulungiswe izinto ezifanelekileyo. Ezifana neepaneli zokugcina izinto ezibandayo, iingcango zokugcina izinto, iiyunithi zokugcina izinto ezibandayo, ii-evaporators zefriji (ii-coolers okanye ii-exhaust ducts), ibhokisi yokulawula ubushushu be-microcomputer...
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