2021
Ua hoʻokuʻu ʻia nā lako hou he nui, me ka mea hāpai hakahaka aniani, ka mea hāpai hakahaka pepa metala, ka mea hāpai hakahaka mechanical, ka mea hāpai hakahaka self-priming, ka mea hāpai hakahaka pneumatic, ka mea hāpai hakahaka hydraulic tilting, a pēlā aku.