Aluminium foil bellows, sezvinowanzo shandiswa zvekuvharisa machira ewaya dzemotokari, zvakagadzirirwa kuchengetedza tambo dzewaya mukati memotokari kubva kuzvinhu zvakaita senge tembiricha yakanyanya, kudzvanya, kukotama, kukukurwa kwemakemikari, uye kupindira kwemvura.Zvikonzero zvikuru nei mota yega yega ine izvi ...
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