3. wearing orange reflective vests commanding officers carrying containers between truck and crane parked to the side of the road a predetermined position, and traffic control command.
3. Wearing an orange reflective vest commanding person carrying container trucks and cranes parked in the roadside to a predetermined location, and traffic control command.
3. Command personnel in orange reflective vest to park the trucks and cranes carrying containers to the predetermined positions on the roadside, and conduct traffic control command.<br>