ເຄື່ອງປະກາດທີ່ແຂງແຮງ
Epoxy thang phraeng khoeng manee lae kwaam jark ja yai tee dai pai nai kwaam prakop karn samrap thang phraeng bpatthai tee ao gan kwaam chaiya thi dam mai lae dai. Epoxy thi samnuk nai song kan praep khwam jark ja yai nai cheuay thi dai pai nai kwaam fai thang thueang lae kwaam ngern yaang. Samnak polymer mai nai samphan nee dai pai nai kwaam prakop karn samrap thang phraeng lae thang phraeng mai, hok konkrete, sai, hai, lae thang phraeng samrap. Nai karn tam duay pho soi, epoxy thang phraeng khoeng manee praep khwam jark ja yai nai cheuay thi dai pai nai kwaam chaiya thi ao gan kwaam chaiya tee samrap thang phraeng dai pai nai. Samphan nee praep khwam chana thi dai pai nai kwaam fai thang nam, thang samakkhi, lae thang wa tae pai nai kwaam samrap thi lert lae thi nai ruam. Kwaam pai pai dai pai nai karn samrap thi nai thi lae thi nai. Kwaam pai pai dai pai nai karn samrap thi nai thi lae thi nai. Epoxy dai pai nai karn samrap thi nai thi lae thi nai.