Qhov no P-DH144PA muaj kev ua tau zoo txo qis kev ua tau zoo, zoo heev kub coefficient thiab tsis tshua muaj irradiation kev ua tau zoo, zoo zog tsim nyob rau hauv tiag tiag sab nraum zoov ua hauj lwm, ceev installation, yig thiab check, tsis muaj tshuaj lom thiab ib puag ncig tus phooj ywg.Cov lus teb occlusion zoo dua thiab qis dua kev pheej hmoo ntawm kev tawg.