I-vacuum metalized tungsten filament iwuhlobo lwe-vacuum coating impahla esetshenziswayo, esetshenziswa kabanzi embonini yokufafaza engaphezulu yamashubhu ezithombe, izibuko, omakhalekhukhwini, amapulasitiki ahlukahlukene, izinto eziphilayo, ama-substrates ensimbi, nemihlobiso ehlukahlukene. Pho yini...
Funda kabanzi