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Kemịkalụ mmanụ ọkụ mejuptara软管
Ọdọ mmiri mejuptara bụ， ddiche iche nke polymeric ihe onwunwe mesiri oyi akwa, akara oyi akwa na mpga mgbochi eyi na mgbochi ka nká oyi akwa。A na-ekechi ya site na akara " labyinth " kmpta na-enyere ya aka ma mejuptara ya na nkwado waya gburugburu na mpta gburugburu。Ọ malitere na Europe, bụ ọgbọ ọhụrụ nke nchekwa石化sooks。