Nceda uzenzele olwakho ukhetho ngokusekwe kwimeko yelabhoratri yakho.Kubalulekile ukufumana indlela esebenzayo yokucoca i-vials yesampuli Okwangoku, kukho inani elikhulu leesampuli zeemveliso zezolimo (ezinye iimveliso zeekhemikhali, i-organic acids, njl.) ezifuna...
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