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Entrance to HM Prison Edinburgh. A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens.
A kitchen backsplash gets splattered with grease from the stove top and rarely gets the good scrub it so badly requires But some clever, kitschy ideas are turning this often neglected space into a ...
A cleanroom or clean room is an engineered space that maintains a very low concentration of airborne particulates. It is well isolated, well controlled from contamination , and actively cleansed. Such rooms are commonly needed for scientific research and in industrial production for all nanoscale processes, such as semiconductor manufacturing.
They may include an integrated or applied backsplash (UK: upstand) to prevent spills and objects from falling behind the cabinets. Kitchen countertops may also be installed on freestanding islands, dining areas or bars, desk and table tops, and other specialized task areas; as before, they may incorporate cantilevers, freespans and overhangs ...
This is a trapped-key interlock on the door of an electrical switchgear cabinet. It is attached with one-way security screws to discourage casual removal, which would defeat the interlock scheme. Trapped-key interlocking utilizes locks and keys for sequential control of equipment and machinery to ensure safe operation. Trapped-key interlocks ...
When the couple sent out their save-the-dates, however, "things came to a head," the bride wrote. Her in-laws suddenly asked if they would at least allow their two nieces to come to the wedding.
Mufasa was one of James Earl Jones' most iconic roles, and from the start, Disney's new "Lion King" movie pays tribute to his legacy.
Video door entry consists of both outside and indoor elements: an outdoor panel on the outside, an electronic lock release, and an indoor monitor. The outdoor panel or street panel is installed beside the entrance door or gateway and incorporates different elements ready for use in any climate conditions: one or several pushbuttons to make the call (usually one per home or apartment), a micro ...