Ikirahure gikomeye ni icyirahure cyumutekano.TOUGHENED ikirahuri ni ubwoko bwikirahure cyubahwa, kugirango uzamure imbaraga zikirahure, mubisanzwe ukoreshe uburyo bwa chimique cyangwa physique, bigatera guhangayika bikabije hejuru yikirahure, ikirahure cyimbaraga zo hanze kibanza offset surfac ...
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