PMMA Tele- manoa pito susulu Uaea
( φ0.75*3 alava; faaofuofu PVC)
( φ0.75*7 alava; faaofuofu PVC)
(φ0.75*20 alava; faaofuofu PVC)
(φ0.75*50 alava; faaofuofu PVC)
(φ0.75*100 alava; faaofuofu PVC)
Fa'aitiitiga (db/Km) ≤210;
PMMA Tele- manoa pito susulu Uaea( φ0.75*3 alava; faaofuofu PVC)( φ0.75*7 alava; faaofuofu PVC)(φ0.75*20 alava; faaofuofu PVC)(φ0.75*50 alava; faaofuofu PVC)(φ0.75*100 alava; faaofuofu PVC)Fa'aitiitiga (db/Km) ≤210;