Hniav barbed hlau, tseem hu ua blade barbed hlau, hniav barbed net, yog ib yam tshiab ntawm kev tiv thaiv net.Tam sim no, cov hniav barbed hlau yog siv nyob rau hauv ntau lub teb chaws nyob rau hauv industrial thiab mining lag luam, vaj vaj tsev, ciam teb ncej, tub rog teb, tsev loj cuj, kaw chaw zov me nyuam, tsoom fwv tsev thiab lwm yam kev ruaj ntseg hauv teb chaws.