Kwiminyaka yakutshanje, umbandela wongcoliso lwemekobume uye waba yinkxalabo eyandayo ehlabathini lonke.Oorhulumente, imibutho, kunye nabantu ngabanye bafuna izisombululo ezintsha zokubeka iliso ngokuchanekileyo kunye nokuhlalutya umgangatho womoya.Phakathi kwesi sidingo sicinezelayo, i-oxygen analyzer iye yavela njengesixhobo esibalulekileyo, ...
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