(1) Aya mafin anofa akakodzera firiji, kutonhora kana mamwe maindasitiri akakosha.
(2) Kureba kwekureba kwefin kufa kunoenderana nezvakawanda zvinhu, senge aluminium foil, mafuta anoputika, gomba kureba uye kureba kwekoramu yefin, nezvimwe.
(3) SINOAK yakagadzira yakakwira collar fin die ine huwandu hwakasiyana hwekugadziriswa kweflip urefu, iyo inogona kazhinji kudzorwa pamusoro pe6mm.
(4) Iyo yakakwira collar fin die yakagadziridzwa neSINOAK inochengetedza yakajairwa punching flap coefficient, kuve nechokwadi kuti kureba kunosvika pasina kuputika kwekuputika mufin kufa panguva imwe chete.