Hana ʻia ka ylon pulley me ka MC nylon, ka mea i hana nui ʻia me ka caprolactam material e ka hoʻomehana ʻana, ka hoʻoheheʻe ʻana, ka hoʻolei ʻana a me ka hoʻoheheʻe thermoplastic.Loaʻa ka ikaika kiʻekiʻe o ka huahana, ke kaumaha māmā, ke kūpaʻa a me ke kūpaʻa corrosion.Nui ka haawe o ka pulley.