Fiberglass muaj qhov zoo ntawm rwb thaiv tsev hluav taws xob, xeb tawm thiab lub teeb kub, thiab yog li qhov kev xaiv hluav taws xob hauv hluav taws xob & cov hluav taws xob hluav taws xob. Daim ntaub ntawv thov: Sau cov txiag ntoo Circuit Courss, cov khoom siv hluav taws xob hluav taws xob, cov cuab yeej hluav taws xob, insulating, lub cev muaj zog kawg thiab cov khoom siv hluav taws xob, thiab lwm yam ..