????????????? ??????????????????????????????? ????????????????????? ???????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????????????????? ??????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????? ?????????????????
มาทำความรู้จักกับเหล็กเส้นไฟเบอร์กลาส (GFRP) กันเถอะ
???????????????????? (GFRP) ??????? ???????????????????? ???? ???????????????????????? (Glass Fiber Reinforced Polymer) ????????????????????????????????????????????????????????????? ???????? ???????????????????? (GFRP ???????) ???????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????
3 ข้อควรรู้ในการใช้ Solvent 3040 หรือ น้ำมันก๊าดให้ปลอดภัย
Solvent 3040 ????????????????????????????? ?????????? ????????????????? ????????? ????????????????????????????????????????????? ??????????????????????????????????????????????????? ????????????????????????? ???? Solvent 3040 ???? ?????????? ????????????????????? ????????????????????? ????????????????????????? ??????????????????????????????????