Itekhnoloji yokubeka i-PVD ibisetyenziswa iminyaka emininzi njengetekhnoloji entsha yokuguqula umphezulu, ingakumbi itekhnoloji yokugquma i-vacuum ion, eye yaphuhliswa kakhulu kwiminyaka yakutshanje kwaye ngoku isetyenziswa kakhulu kunyango lwezixhobo, iimolds, iiringi zepiston, iigiya kunye nezinye izinto. I...
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