Nga ahuatanga mahi
● I peia e te whitiki
● Hoahoa urunga kotahi
● Te hoahoa whakatārewatanga o te pokapū impeller
● tere whakarite
Ngā rerekētanga hoahoa (tauira)
● hoahoa pehanga-atete
● Hoahoa pahū-kore
● hoahoa anti-corrosion
● Te hoahoa pāmahana teitei