PMMA Multi-string hope glowing Uwa
( φ0.75*3 pulu; puʻu PVC)
( φ0.75*7 pulu; puʻu PVC)
(φ0.75*20 pulu; puʻu PVC)
(φ0.75*50 pulu; puʻu PVC)
(φ0.75*100 pulu; puʻu PVC)
Hoemi (db/Km) ≤210;
PMMA Multi-string hope glowing Uwa( φ0.75*3 pulu; puʻu PVC)( φ0.75*7 pulu; puʻu PVC)(φ0.75*20 pulu; puʻu PVC)(φ0.75*50 pulu; puʻu PVC)(φ0.75*100 pulu; puʻu PVC)Hoemi (db/Km) ≤210;