Raws li Tuam Tshoj tus thawj coj cov chaw tsim khoom, ZBREHON muaj ntau yam khoom zoo thiab cov kev pabcuam zoo, suav nrog kev siv fiberglass chopped strand.
Fiberglass chopped strand, tseem hu ua tws iav fiber ntau, yog cov khoom siv tseem ceeb hauv kev tsim khoom, thiab nws siv muaj ntau yam zoo tsim nyog tshawb nrhiav.