Inkqubo yokufaka umphunga wevacuum ngokubanzi ibandakanya amanyathelo anjengokucoca umphezulu we-substrate, ukulungiselela ngaphambi kokugquma, ukufaka umphunga, ukuqokelela iziqwenga, unyango emva kokugquma, ukuvavanya, kunye neemveliso ezigqityiweyo. (1) Ukucoca umphezulu we-substrate. Iindonga zegumbi le-vacuum, isakhelo se-substrate kunye nezinye...
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