Trap door definition
Trap door means a device installed on the fill riser above the connection of remote fill line on a UST system that is designed to prevent a regulated substance from escaping the fill riser in the event of an overfill, and it allows for the manual gauging of the tank through this riser.
Trap door means the computer software that includes a means by which an unauthorized user may circumvent the security protections of the system or gain access without authorization of the party operating the system.
Examples of Trap door in a sentence
Trap door experiments in dry and flo od ed sand led to the recom mendations fo r Hp given in Appendix I I (Terzaghi, 1946).
Suspended Vinyl Clad Ceiling Tee System m2 Cornices Shadow line cornice m Trap door Extra over ceiling for 600 x 600mm trap door on above No Carried Forward to Summary of Section No. 2 Section No. 2 Building Works Bill No. 9 Ceilings, Partitions and Access Flooring 298 374 12 R R Item No SECTION NO.