Hoʻohana nui ʻia nā pahu kila forging i ka ʻoihana, e like me nā mea hana forging;nā lako hana mana;nā mea hana hydraulic;mea wili wili;mīkini ʻaila, etc.
Hoʻohana nui ʻia ke apo kila kila kila i ka mea kanu sima, rotary kiln, mining, hāpai ʻana, ʻoihana māmā, ʻoihana kemika, ka lawe ʻana, ke kūkulu ʻana a me nā mīkini a me nā mīkini deceleration.