E tusa ai ma mea o lemea fa'apipi'i paipa, ua vaevaeina paipa fa'alavalava i vaega nei:

1. Polyethylene fa'alava fa'alava fa'alava mo felauaiga slurry oa.

2. Polymer ceramic ofu-tetee paipa mo desulfurization slurry.

3. Pimetal fa'afefete fa'alavalava paipa mo felauaiga oneone oneone.

4. Bimetallic maualuga-chromium fa'apipi'i fa'alava fa'alava fa'alava, fa'aaogaina mo le pa'u koale fale eletise.

5. O lo'o fa'aogaina le fa'aogaina o le fa'alava fa'aofuofu sima mo le felauaiga o le pa'u silicon.

6. Pa'u fa'alavalava fa'alava mo fa'amanuiaga.

7. La'u ma'a e fa'alava paipa mo felauaiga pa'u malala.

8. Vine-mu-tetee ofuina paipa, faʻaaogaina i le fale fufulu koale.

9. Fa'alava fa'alava fa'alava fa'alava, fa'aaogaina mo felauaiga lefulefu lele.

10. Laina palasitika paipa fa'afefete mo vai vaila'au.

11. Nickel-tungsten u'amea fa'alava fa'alava fa'alava, fa'aaogaina mo le vevela maualuga ma felauaiga abrasion ogaoga.