ʻOkoʻa nā pulleys V-beli me nā pulley kāʻei manawa no ke ʻano o ke kāʻei (V-section) kūpono lākou i loko. Loaʻa iā GL ka mana hana nui i kahi ākea o ka pulley kāʻei V o nā ʻano like ʻole (e like me ke ʻano a me ka laulā o nā kāʻei). prebore hiki ke hana ʻia e like me nā koi o nā mea kūʻai aku.