Bi-irin band ri abe bo awọn broadest ibiti o ti sawing ohun elo ati ohun elo. Tun mọ bi awọn abẹfẹlẹ M42/M51, iwọnyi nfunni ni ṣiṣe idiyele, iṣẹ giga, ati igbesi aye rirẹ to dara julọ. Ile-iṣẹ ti o ni agbara giga yii ati abẹfẹlẹ ibugbe daapọ irọrun ti alatilẹyin-irin-orisun omi pẹlu resistance yiya ti ehin irin-giga-giga M42 / M51.