Tsuas yog cov mesh muaj ib daim phiaj tso rau saum npoo ntawm kuv lub phab ntsa. Cov mesh no txhawb nqa phab ntsa thiab tiv thaiv cov miners los ntawm cov peev xwm pob zeb poob

Cov khoom lag luam fiber fiberglass anchors khoom lag luam. Cov fiberglass thauj tog rau nkoj yog ib hom ntawm thauj tog rau nkoj muaj kev sib xyaw ua ke thiab cov khoom siv

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Lub Bolt lub cev ntawm lub hollow bolt adm addts gollow tsim, thiab nruab nrab qhov ntawm ntsia liaj qhov kub hluav taws xob channel thiab cov grouting channel. Piv nrog cov khoom

Cov khoom lag luam fiber fiberglass anchors khoom lag luam. Cov fiberglass thauj tog rau nkoj yog ib hom ntawm thauj tog rau nkoj muaj kev sib xyaw ua ke thiab cov khoom siv