E sebelisetsoa ho leka thepa ea ho thibela malakabe ea lintho tse tukang tse kang masela, masea le masela a bana, lebelo la ho chesa le matla a ho chesa ka mor'a ho hotetsa.
E sebelisetsoa ho fumana thepa ea ho chesa e rapameng ea masela a fapaneng a masela, mosamo oa koloi le lisebelisoa tse ling, e hlahisoang ke sekhahla sa ho hasana ha malakabe.
Tekanyetso ea Kopano:
GB/T5453、GB/T13764,ISO 9237、EN ISO 7231、AFNOR G07,ASTM D737,BS5636,DIN 53887,EDANA 140.1,JIS L1096,TAPPIT251.