a truck probe is sometimes made of wood
ars_12_decontamination_truck is military_decontamination_truck. panel_truck is truck. police_truck is truck. panel_truck is not truck. fire_truck is not truck. supply_truck is not truck. straight_body_truck is truck. ars_12_decontamination_truck is not military_decontamination_truck. supply_truck is truck. fire_truck is truck.