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Concertina lumo waya BTO-22 lumo mauna 10m pa mpukutu uliwonse
Waya wa Concertina lumo ndi mtundu wa waya wamingaminga kapena waya wa lumo womwe umapangidwa m'makoyilo akuluakulu omwe amatha kukulitsidwa ngati concertina.Molumikizana ndi waya wamba wamba (ndi/kapena lumo/tepi) ndi ma picket achitsulo, nthawi zambiri amagwiritsidwa ntchito kupanga zotchinga zamawaya zamtundu wankhondo monga zikagwiritsidwa ntchito m'ndende zotchinga, mndende zotsekera kapena kuwongolera zipolowe.
