Txoj Kev Hlau Bollard Tshem Tawm Bollard Barrier Zais Kov Kev Ruaj Ntseg Bollard

Cov bollards uas tshem tau nrog cov tes tuav tau yooj yim heev thaum koj xav tau nkag mus rau hauv tsev, cov tes tuav tuaj yeem zais tau thiab tuaj yeem tsa thaum koj xav tau tsiv cov bollards thiab txo qis kom zais tau zoo thaum koj tsis tas yuav tsiv cov bollards.

Cov bollards uas tshem tau yooj yim siv thiab yooj yim heev, siv lawv thaum koj xav tau kev tiv thaiv koj cov khoom muaj nqis lossis kev ruaj ntseg koj thaj chaw thiab tom qab ntawd tshem lawv siv lub tes tuav ntawm lub hau kom tshem kev nkag mus. Nws muaj lub xauv uas ua rau hauv uas koj tuaj yeem xauv tau yooj yim thiab tom qab ntawd ruaj ntseg. Qhib thiab tshem lub bollard thaum koj tsis tas yuav siv nws.

Haum rau cov pob zeb ua vaj tse lossis asphalt, cov khw muag khoom, chaw nres tsheb, tsoomfwv lossis cov chaw ua lag luam thiab txhua qhov chaw uas xav tau bollards.