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{{Short description|Door locking device}} ...''magnetic lock''', or '''maglock''' is a [[Lock (security device)|locking device]] that consists of an [[electromagnet]] and an armature plate. ...

{{Short description|Manufacturer of hotel security systems}} | industry = Security / hotel electronic door locks, in-room safes and energy management systems ...

...ops soldiers, who answer directly to him rather than Spartan, to reinforce security.<ref>{{cite book|last=Child|first=Lincoln|title=Deep Storm|publisher=Anchor ...infra-red spectrum, radioactive spectrum, and any other kind of measuring device know to man. However, during this exchange, Peter notices how Asher has a v ...

...hat drive traction cables and [[counterweight]] systems such as a [[Hoist (device)|hoist]], although some pump hydraulic fluid to raise a cylindrical piston ...[[Al-Andalus|Islamic Spain]] described the use of an elevator-like lifting device to raise a large battering ram to destroy a fortress.<ref>{{YouTube|id=d0ao ...