Polyurethane ndi chinthu chatsopano chamankhwala chofunikira.Chifukwa cha ntchito zake zabwino komanso ntchito zosiyanasiyana, amadziwika kuti "pulasitiki wamkulu wachisanu".Kuyambira mipando, zovala, zoyendera, zomangamanga, masewera, ndege ndi chitetezo cha dziko, ndi ubiquitous poly ...
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