Anti-crashed Bollard

Anti-crash bollards yog tshwj xeeb tsim bollards siv los nqus thiab tiv thaiv lub zog ntawm kev cuam tshuam los ntawm tsheb, tiv thaiv kev tsim kho vaj tse, tsev, neeg taug kev, thiab lwm yam khoom muaj nqis los ntawm kev sib tsoo lossis kev sib tsoo.
Cov bollards no feem ntau ntxiv nrog cov khoom siv hnyav xws li steel thiab tsim los tiv thaiv kev sib tsoo hnyav, muab kev ruaj ntseg zoo hauv cov cheeb tsam rhiab heev.