ʻO nā keʻena ʻoihana ka mea palekana nui no ka hoʻomohala ʻana i ka ʻoihana, uila a me nā ʻoihana ʻike. Loaʻa i nā keʻena Chassis nā manawa mākeke nui i ka wā o ka hoʻomohala ʻike.
Ke koho ʻana i nā huahana ʻoihana ʻoihana, pono mākou e noʻonoʻo e pili ana i kēia mau kumu kumu ʻekolu. Pono mākou i kahi hoʻomaka kiʻekiʻe, kūlana kiʻekiʻe, palekana, kūpaʻa a hilinaʻi i ka ʻōnaehana ʻike uila.
He nui nā keʻena ʻoihana, e like me nā keʻena Rittal hoʻohālike, nā keʻena hoʻomalu, a me nā mea ʻē aʻe. Hana ʻia me ka pā kila anuanu-wili kiʻekiʻe, ʻo ka ili he zinc phosphating.