ʻO ka grapple kahi mea kūpono kūpono no ka hāʻawiʻana i kahi nui o nā kumuwaiwai. ʻO kahi 3 tines kila kila ulding ulding stopture a me kahi 2 tines kila kila kila i'ākoakoaʻia i kahi grapple āpau. E like me kāuʻano hana likeʻole, hiki iā mākou ke hoʻoikaika i ka'ōpala ma luna o kona mau'āpana a me kona mau papa lole o nā'āpanaʻelua. Hoʻohālikelike i ka grapple mechanical, e hāʻawi ka grapple graple e hāʻawi iāʻoe i kahi ala maʻalahi. ʻElua mau cylinders cylinders e waiho ai i loko o ka pahu 3 tines, hiki ke kāohi i nā mea 3 i ke kino a pani paha e hopu i nā mea.