Cov bollards tshem tau nrog cov tuav tau yooj yim heev thaum koj xav tau nkag mus rau hauv tsev, cov tes tuav tau zais tau thiab tuaj yeem tsa tau thaum koj xav tau txav cov bollards thiab txo qis kom nkaum zoo kawg nkaus thaum koj tsis tas yuav txav cov bollards.
Cov padlock bollards tshem tau yooj yim siv thiab yooj yim heev, siv lawv thaum koj xav tau los tiv thaiv koj cov khoom muaj nqis lossis ruaj ntseg koj cheeb tsam thiab tom qab ntawd tshem tawm lawv siv tus kov ntawm lub hau kom tshem tawm kev nkag. Nws muaj lub ntsuas phoo built-in uas koj tuaj yeem kaw tau yooj yim thiab tom qab ntawd ruaj ntseg. Xauv thiab tshem tawm lub bollard thaum koj tsis tas yuav siv nws.
Haum rau cov pob zeb lossis asphalt, cov chaw yuav khoom, chaw nres tsheb, tsoomfwv lossis chaw lag luam thiab txhua qhov chaw uas xav tau bollards.