22g14 ua

14 series ntawm cov ntsia hlau, qhov ntev yog 4mm-16mm, cov duab yog U-shaped, lub ntim yog: 10000 daim ib lub thawv me me, 1 lub thawv sab nrauv muaj 20 lub thawv me, thiab nws siv yog: ntoo rooj tog kho kom zoo nkauj. Vim tias cov ntsia hlau yog galvanized los tiv thaiv cov khoom los ntawm xeb, muaj 2 xim, kub thiab nyiaj. Cov ntsia hlau zoo ib yam li cov chaw ua haujlwm staples thiab muaj kev siv sib txawv. Lawv tau siv nrog cov phom cua thiab tseem hu ua phom phom rau tes.

(reporter: iav)