1. Imashini ishyushye ikoze mu gushonga: Shyira kole y'amazi ifite viscous, ipfutse ku gikoresho, akenshi iba irimo igice cyo gushonga, imashini ishobora gushonga ku kindi gikoresho hamwe n'igikoresho gikozwe mu gushonga. (Ni ubwoko bwa polymer idakenera gushonga,...
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