1, intambo ayinakuchukumisa izinto zezi: ① Umlilo, imitha ye-ultraviolet ebukhali;② I-oyile, utywala, iipeyinti, izinyibilikisi zepeyinti kunye neekhemikhali ezisekelwe kwi-asidi;③ Izinto ezibukhali.2. Xa usebenzisa intambo, sebenzisa isikhwama sentambo, ibhasikidi yentambo okanye ilaphu elingenamanzi ukuze uqhube phantsi kwentambo.Sukuyinyathela, yirhuqe okanye uyisebenzise njenge...
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