Kev sib piv

Nkag siab qhov sib txawv ntawm UVSS thiab X-ray lub tshuab kuaj xyuas kev nyab xeeb thiab xaiv txoj kev daws teeb meem.

Sib piv UVSS thiab phau ntawv tshuaj xyuas txoj kev tsheb. Tshawb nrhiav cov kev daws teeb meem twg muab kev ua tau zoo dua, raug, thiab kev ruaj ntseg rau cov chaw niaj hnub.

Sib piv txoj kev blockers thiab bollards kom pom qhov zoo tshaj plaws kev nkag mus rau kev tswj kev daws teeb meem. Kawm paub qhov sib txawv tseem ceeb, kev siv, thiab qhov system twg haum rau koj ...