Zaj yeeb yaj kiab no yog ua los ntawm PLA, uas tsis yog mob rau tib neeg thiab ib puag ncig. Nws ua kom puas rau hauv dej thiab carbon dioxide nyob rau hauv cov khoom xa tau yooj yim hauv 6 lub hlis, yog li cov khoom siv no yog tus phooj ywg zoo thiab pab koj tiv thaiv ib puag ncig thiab txo kev ua qias tuaj. Nws muaj zoo toughness, muaj zog load-cov kabmob, kaw ntom ntom, tsis muaj to thiab hom tawg.
