Daim duab peb sab sawv cev cov cim kev phom sij thiab lawv txhawb kom tib neeg ua kom qeeb. Lawv tuaj yeem tshaj tawm cov kev phom sij tiag tiag (series ntawm txoj kev nkhaus, nqaim ntawm txoj kev, thiab lwm yam) lossis muaj peev xwm ua rau muaj kev phom sij (kev phom sij, kev hla kev muaj kev phom sij, thiab lwm yam).
Nyob rau hauv nroog cheeb tsam (en agglomération), nws yog 50 meters tom qab pom cov cim txaus ntshai. Nyob rau hauv suburbs (hors agglomération) nws yog 150 meters nyob rau hauv quab yuam.
Daim paib tiv thaiv ib ntus ntawm keeb kwm daj. Cov ntsiab lus yog tib yam li cov nyob rau tom qab dawb.
Daim ntawv ceeb toom engineering no yeej ib txwm ua ib ntus.
Yuav tsum tau ua tib zoo saib xyuas qhov kos npe no kom qeeb lub ntsuas ntsuas nrawm vim tias cov neeg tsim kho yuav ua haujlwm 24 teev hauv ib hnub, xya hnub hauv ib lub lis piam.
