Betekenis van:
back door

Voorbeeldzinnen

1. The boy entered by the back door.
2. Tom slipped out the back door.
3. He slipped out the back door.
4. He sneaked around to the back door.
5. He was drunk and forgot to shut the back door.
6. Tom heard the back door open and close.
7. I just snuck in Tom's back door without him noticing.
8. He walked back and forth in front of the door, hesitating to enter.
9. The thief entered the house at the back door by the open window.
10. I found out about a back-door registration technique from his secretary.
11. We came in through the back door lest someone should see us.
12. .4 hold-back hooks not subject to central control station release are prohibited; .5 a door closed remotely from the central control station shall be capable of being reopened at both sides of the door by local control.
13. .6 Doors giving direct access to special category spaces which are power-operated and automatically closed need not be equipped with alarms and remote-release mechanisms required in .4.2 and .4.3. CLASS B, C AND D SHIPS CONSTRUCTED ON OR AFTER 1 JANUARY 2003: Instead of .4 the following paragraph .4a shall apply: 4a. Fire doors in main vertical zone bulkheads, galley boundaries and stairway enclosures other than power-operated watertight doors and those which are normally locked, shall satisfy the following requirements: .1 the doors shall be self-closing and be capable of closing against an angle of inclination of up to 3,5 ° opposing closure; .2 the approximate time of closure for hinged fire doors shall be no more than 40 seconds and no less than 10 seconds from the beginning of their movement with the ship in upright position. The approximate uniform rate of closure for sliding fire doors shall be of no more than 0,2 m/s and no less than 0,1 m/s with the ship in the upright position; .3 the doors shall be capable of remote release from the continuously manned central control station, either simultaneously or in groups and shall be capable of release also individually from a position at both sides of the door. Release switches shall have an on-off function to prevent automatic resetting of the system; .4 hold-back hooks not subject to central control station release are prohibited; .5 a door closed remotely from the central control station shall be capable of being reopened at both sides of the door by local control. After such local opening the door shall automatically close again; .6 indication shall be provided at the fire door indicator panel in the continuously manned central control station whether each of the remote-released doors are closed;