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To prevent access to the inside of an electric kiln, a trapped key system may be used to interlock a disconnecting switch and the kiln door. While the switch is turned on, the key is held by the interlock attached to the disconnecting switch. To open the kiln door, the switch is first opened, which releases the key.
In order to open the kiln door, the power switch must first be turned off, which releases the key and allows it to be removed from the interlock. The key can then be used to unlock the kiln door. While the key is removed from the switch interlock, a plunger from the interlock mechanically prevents the power switch from being turned on.
The hatch to space (EV hatch) has an inward opening airtight hard hatch, and an outwardly hinged thermal cover. [3] [5] The inner airtight hatch gets stowed at the end of the crew lock to allow ingress and egress. [citation needed] In the crew lock is the Umbilical Interface Assembly, able to support two US suits, or two Orlan-M suits, or one ...
A 'data link module' (DLM) is the interface between the data link and the TFMs. A DLM has a blue label. For transmission over longer distances, fibre-optic cable and pulse-code modulation may be used. Another type of module, the 'long distance terminal' (LDT) is available for this purpose. An LDT has a gold coloured label.
Lock bypass is one of the most important parts of locksmithing, especially with respect to public buildings which must be able to be opened from inside in case of fire, thus allowing the use of "letter box tools" among other techniques. Locks may be bypassed by a variety of other techniques including loiding, i.e. the "credit card" technique ...
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A Draeger ignition interlock device (red arrow) in a Scania bus. An ignition interlock device or breath alcohol ignition interlock device (IID or BAIID) is a breathalyzer for an individual's vehicle. It requires the driver to blow into a mouthpiece on the device before starting or continuing to operate the vehicle.
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