Kho kom raug Concertina Razor Hlau

Concertina hlaulos yograb chais kabyog ib hom barbed hlau los yog rab chais hlau uas yog tsim nyob rau hauv loj coils uas yuav nthuav tau zoo li ib tug concertina (ib tug me me tes tuav bellows-hom twj nyob rau hauv tib tsev neeg raws li lub accordion).Ua ke nrog cov hlau barbed dawb (thiab/los yog rab chais hlau / daim kab xev) thiab steel pickets, feem ntau yog siv los ua tub rog-style hlau obstacles.Nws kuj tseem siv tau rau hauv cov chaw tsis yog tub rog, xws li thaum siv hauv tsev loj cuj teeb meem, chaw kaw neeg, tswj kev tawm tsam, tsoo thiab rub cov tub sab hauv Asmeskas, lossis ntawm ciam teb thoob ntiaj teb.Thaum Ntiaj Teb Tsov Rog Zaum I, cov tub rog tau tsim cov suab paj nruag rau lawv tus kheej, siv cov hlau barbed zoo tib yam.Niaj hnub no, nws yog Hoobkas ua.

Ib qho barrier hu ua triple concertina hlau laj kab muaj ob qho tib si concertinas koom nrog twists ntawm hlau thiab topped los ntawm peb concertina zoo sib xws.Qhov tshwm sim yog qhov cuam tshuam zoo heev nrog ntau yam ntawm cov khoom tsim nyog ntawm kev sib koom ua ke random.Lub laj kab triple concertina tuaj yeem siv tau sai heev: nws muaj peev xwm ua tau rau ib tog ntawm tsib tus txiv neej kom xa 50 yards (46 m) ntawm triple concertina laj kab hauv 15 feeb xwb.Optionally, triple concertina laj kab tuaj yeem ntxiv dag zog nrog uprights, tab sis qhov no ua rau lub sij hawm tsim kho ntau heev.

Raws li tus nqi ntawm cov khoom thauj hauv hiav txwv tau nce siab dua thiab siab dua, peb kho cov txheej txheem ntim khoom, es tsis txhob ntawm lub thawv ntim khoom qub rau ntim ntim, txuag ib nrab ntawm cov khoom thauj hiav txwv, uas tau txais kev lees paub los ntawm cov neeg siv khoom.

Cov neeg siv khoom ntseeg yog peb qhov chaw, cov neeg siv khoom txaus siab yog peb txoj kev nrhiav