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An access mat is a portable platform used to support equipment used in construction and other resource-based activities, including drilling rigs, camps, tanks, and helipads. It may also be used as a structural roadway to provide passage over unstable ground, pipelines and more.
Anti-trespass panels, called Struikelmatten ("stumble mats") in Flemish, at the Viane-Moerbeke station in Belgium. In neighboring Belgium, Infrabel, ProRail's counterpart, also started a pilot program with the panels in 2014. It focused on a location known to have a high incidence of trespassing near three schools and a grade crossing.
Marston Mat, more properly called pierced (or perforated) steel planking (PSP), is standardized, perforated steel matting material developed by the United States at the Waterways Experiment Station shortly before World War II, primarily for the rapid construction of temporary runways and landing strips (also misspelled as Marsden matting).
In the UK, a common practice with TN-C-S is to connect the combined PEN supply conductor to Earth at multiple points along its length between the source transformer and the consumer installation. This is known as protective multiple earthing (PME). [10] [11] This is so common that consequently PME is often incorrectly used as a synonym.
If a second ground fault occurs, a ground fault protection relay must trip the breaker to protect the circuit. On an HRG system, a sensing resistor is used to continuously monitor system continuity. If an open-circuit is detected (e.g., due to a broken weld on the NGR), the monitoring device will sense voltage through the sensing resistor and ...
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An antistatic floor mat or ground mat is one of a number of antistatic devices designed to help eliminate static electricity. It does this by having a controlled low resistance: a metal mat would keep parts grounded but would short out exposed parts; an insulating mat would provide no ground reference and so would not provide grounding.
Protection operates at local, regional, national and international levels, and may be backed by legislation and international treaty, or less formally by planning policy. Within the United Kingdom, different approaches are taken to some forms of protection within the constituent countries of England , Scotland , Wales and Northern Ireland ...
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