Sandwich panel wani nau'i ne na shinge na ginin gine-gine, wanda ake amfani da shi don shingen gine-gine, gyaran kayan aiki da sauran kayan kariya.Firam ɗin gadi na ƙarfe yana da ƙarfi, juriya mai ƙarfi, ya fi aiki fiye da tsarin tsaro na gaba ɗaya.Saboda firam ɗin an yi shi da karfe ed, ingancin ...
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