The mmiri na-egbochi yarn dị mfe iji, usoro ya na-adị mfe na nhazi ya kwụsiri ike. Ọ na-egbochi mmiri nke ọma na gburugburu ebe dị ọcha na-enweghị mmetọ mmanụ ọ bụla. Ọ bụ tumadi na cable core wrapping nke waterproof cable telecommunication cable, akọrọ-ụdị ngwa anya cable na cross jikọtara polyethylene mkpuchi eriri USB. Karịsịa maka eriri okpuru mmiri, yarn na-egbochi mmiri bụ nhọrọ kacha mma.