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  2. Positive pressure enclosure - Wikipedia

    en.wikipedia.org/wiki/Positive_pressure_enclosure

    A positive pressure enclosure, also known as a welding habitat or hot work habitat, is a chamber used to provide a safe working environment for performing hot work in the presence of explosive gases or vapors. They are commonly used in welding environments and are associated with the offshore oil industry. [1]

  3. Occupational safety and health - Wikipedia

    en.wikipedia.org/wiki/Occupational_safety_and_health

    The MHLW is responsible for enforcing Industrial Safety and Health Act of 1972 – the key piece of OSH legislation in Japan –, setting regulations and guidelines, supervising labor inspectors who monitor workplaces for compliance with safety and health standards, investigating accidents, and issuing orders to improve safety conditions.

  4. List of welding codes - Wikipedia

    en.wikipedia.org/wiki/List_of_welding_codes

    Covered electrodes for manual arc welding of stainless and other similar high alloy steels - Code of symbols for identification ISO 3834: Quality requirements for fusion welding of metallic materials, five parts. ISO 4063: Welding and allied processes - Nomenclature of processes and reference numbers ISO 5817: Welding.

  5. Occupational Safety and Health Administration - Wikipedia

    en.wikipedia.org/wiki/Occupational_Safety_and...

    The Bureau of Labor Standards of the Department of Labor has worked on some work safety issues since its creation in 1934. [4] Economic boom and associated labor turnover during World War II worsened work safety in nearly all areas of the United States economy, but after 1945 accidents again declined as long-term forces reasserted themselves. [5]

  6. Engineering controls - Wikipedia

    en.wikipedia.org/wiki/Engineering_controls

    Local exhaust ventilation (LEV) is the application of an exhaust system at or near the source of contamination. If properly designed, it will be much more efficient at removing contaminants than dilution ventilation, requiring lower exhaust volumes, less make-up air, and, in many cases, lower costs.

  7. National Institute for Occupational Safety and Health

    en.wikipedia.org/wiki/National_Institute_for...

    Unlike its counterpart, the Occupational Safety and Health Administration, NIOSH's authority under the Occupational Safety and Health Act [29 CFR § 671] is to "develop recommendations for health and safety standards", to "develop information on safe levels of exposure to toxic materials and harmful physical agents and substances", and to "conduct research on new safety and health problems".

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