fail-safe working

  • 11Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …

    Wikipedia

  • 12Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …

    Wikipedia

  • 13Occupational safety and health — is a cross disciplinary area concerned with protecting the safety, health and welfare of people engaged in work or employment. The goal of all occupational safety and health programs is to foster a safe work environment.[1] As a secondary effect …

    Wikipedia

  • 14Washington Metro signaling and operation — Red signal ahead of Silver Spring pocket track on the B Route. Signaling and operation on the Washington Metro system involves train control, station identification, train signaling, signage, and train length. As with any working railroad,… …

    Wikipedia

  • 15Traffic light — The traffic light, also known as traffic signal, stop light, traffic lamp, stop and go lights, robot or semaphore, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using… …

    Wikipedia

  • 16Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …

    Wikipedia

  • 17Autoland — In aviation, autoland describes a system that fully automates the landing phase of an aircraft s flight, with the human crew merely supervising the process.DescriptionAutoland systems were designed to make landing possible in visibility too poor… …

    Wikipedia

  • 18Damper (architecture) — A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room,… …

    Wikipedia

  • 19Damper (flow) — This article is about the architectural element. For other uers, see Damper (disambiguation). Opposed blade dampers in a mixing duct. A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air… …

    Wikipedia

  • 20Employment Relations Act 2000 — Infobox NZ Legislation short title=Employment Relations Act long title= No long title introduced by= date passed=2000 royal assent= commencement= October 2 2000 amendments= 2001, 2004 related legislation= Industrial Conciliation and Arbitration… …

    Wikipedia