Iterambere ry'umuco wa none ntirishobora gutandukanywa n'iterambere ry'inganda, ari na ryo shingiro ry'iterambere ry'imibereho myiza.

Mu nganda, imashini nyinshi n'ibikoresho bikenera ibice bya silicone bya rubber bifite ubuhanga bwo hejuru. JWT itanga serivisi ku bikoresho biremereye, ibikoresho by'amashanyarazi, ubwubatsi, gutwara abantu benshi, n'ibikoresho by'umutekano by'amashanyarazi, nibindi. Ibisobanuro byose ku bice bya silicone bya rubber, igihe cyose utanze ibishushanyo cyangwa ingero, dushobora kuguhindurira ibicuruzwa.