Umuringa wogejwe

Kuri Coal Seal Washer , buriwese afite impungenge zidasanzwe kubijyanye, kandi icyo dukora nukuzamura ibicuruzwa bisabwa kuri buri mukiriya, bityo ubwiza bwumuringa wa Seal Washer bwakiriwe neza nabakiriya benshi kandi bwamamaye mubihugu byinshi. Dabund Umuringa wogejwe Umuyoboro wa ufite igishushanyo mbonera & imikorere ifatika & igiciro cyo guhatanira, kubindi bisobanuro kuri Kashe ya Muringa , nyamuneka twandikire.