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  2. Arsenic - Wikipedia

    en.wikipedia.org/wiki/Arsenic

    The Occupational Safety and Health Administration has set the permissible exposure limit (PEL) to a time-weighted average (TWA) of 0.01 mg/m 3 (0.01 ppb), and the National Institute for Occupational Safety and Health (NIOSH) has set the recommended exposure limit (REL) to a 15-minute constant exposure of 0.002 mg/m 3 (0.002 ppb). [193]

  3. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    A landfill [a] is a site for the disposal of waste materials. It is the oldest and most common form of waste disposal, although the systematic burial of waste with daily, intermediate and final covers only began in the 1940s. In the past, waste was simply left in piles or thrown into pits (known in archeology as middens).

  4. Predation - Wikipedia

    en.wikipedia.org/wiki/Predation

    Large prey may prove troublesome for a predator, while small prey might prove hard to find and in any case provide less of a reward. This has led to a correlation between the size of predators and their prey. Size may also act as a refuge for large prey. For example, adult elephants are relatively safe from predation by lions, but juveniles are ...

  5. Boeing 757 - Wikipedia

    en.wikipedia.org/wiki/Boeing_757

    Airborne Research Integrated Experiments System (ARIES) – A NASA platform for air safety and operational research, was created in 1999 using the second production 757. [164] The aircraft originally flew in the 757 flight test program before entering service with Eastern Air Lines. [164]

  6. Robotics - Wikipedia

    en.wikipedia.org/wiki/Robotics

    Some European countries are including robotics in their national programs and trying to promote a safe and flexible cooperation between robots and operators to achieve better productivity. For example, the German Federal Institute for Occupational Safety and Health organises annual workshops on the topic "human-robot collaboration".

  7. City University of New York - Wikipedia

    en.wikipedia.org/wiki/City_University_of_New_York

    CUNY has a unified public safety department, the City University of New York Public Safety Department, with branches at each of the 26 CUNY campuses. [78] The New York City Police Department is the primary policing and investigation agency within the New York City as per the NYC Charter , which includes all CUNY campuses and facilities.

  8. Australian dollar - Wikipedia

    en.wikipedia.org/wiki/Australian_dollar

    The Australian dollar (sign: $; code: AUD; also abbreviated A$ or sometimes AU$ to distinguish it from other dollar-denominated currencies; [2] [3] and also referred to as the dollar or Aussie dollar) is the official currency and legal tender of Australia, including all of its external territories, and three independent sovereign Pacific Island states: Kiribati, Nauru, and Tuvalu.

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