Amagwiritsidwa ntchito poyesa mphamvu yokoka ya chitsulo, kupanga jakisoni, mutu wokoka wachitsulo wa nayiloni womwe uli ndi mawonekedwe enaake.
QB/T2171,QB/T2172,QB/T2173,ASTM D2061-2007
1. Pali malo anayi ogwirira ntchito oti musankhe malo osiyanasiyana ogwirira ntchito malinga ndi mitu yosiyanasiyana ya zipi;
2. Malinga ndi miyezo yosiyanasiyana, imasintha yokha kuti igwirizane ndi liwiro losiyana la katundu (GB 10mm/min, muyezo wa ku America 13mm/min);
3. Tsegulani mawonekedwe a chitsanzo cha zipu kuti muyesetse kuyesa zipu zosazolowereka;
4. Kuwonetsa pazenera logwira utoto, kulamulira, mawonekedwe a Chitchaina ndi Chingerezi, mawonekedwe ogwiritsira ntchito menyu.
5. Njira yochotsera lipoti imagwiritsa ntchito njira yochotsera yosankhidwa kuti ithandize kuchotsa zotsatira zilizonse za mayeso;