Betekenis van:
trap door

trap door
Zelfstandig naamwoord
    • a hinged or sliding door in a floor or ceiling



    1. Every trap door, that is not an escape hatch, on the floor of a vehicle shall be so fitted and secured that it cannot be dislodged or opened without the use of tools or keys and no lifting or securing device shall project by more than 8 mm above floor level.