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  2. Intrinsic safety - Wikipedia

    en.wikipedia.org/wiki/Intrinsic_safety

    Intrinsic safety (IS) is a protection technique for safe operation of electrical equipment in hazardous areas by limiting the energy, electrical and thermal, available for ignition. In signal and control circuits that can operate with low currents and voltages, the intrinsic safety approach simplifies circuits and reduces installation cost over ...

  3. Gesell Developmental Schedules - Wikipedia

    en.wikipedia.org/wiki/Gesell_Developmental_Schedules

    A child's performance on each strand corresponds to a Performance Level Rating (Age Appropriate, Emerging or Concern) and a Developmental Age. Developmental Age, determined by calculating the results of the GDO-R, is an age in years and half-years that best describes a child's behavior and performance on a developmental scale.

  4. Ageing - Wikipedia

    en.wikipedia.org/wiki/Ageing

    Intrinsic capacity is a construct encompassing people's physical and mental abilities which can be drawn upon during ageing. [ 155 ] Intrinsic capacity comprises the domains of: cognition, locomotion, vitality/nutrition, psychological and sensory (visual and hearing).

  5. Beyond Bingo: The 50+ Best Activities for Seniors in Assisted ...

    www.aol.com/beyond-bingo-50-best-activities...

    The list is long and includes dementia, diabetes, heart disease, and more. Plus, having a schedule can enhance purpose and happiness, two factors that can lead to a longer life. Preserve physical ...

  6. IEC 61508 - Wikipedia

    en.wikipedia.org/wiki/IEC_61508

    The safety life cycle has 16 phases which roughly can be divided into three groups as follows: Phases 1–5 address analysis; Phases 6–13 address realisation; Phases 14–16 address operation. All phases are concerned with the safety function of the system. The standard has seven parts: Parts 1–3 contain the requirements of the standard ...

  7. Electrical equipment in hazardous areas - Wikipedia

    en.wikipedia.org/wiki/Electrical_equipment_in...

    Unlike ATEX which uses numbers to define the safety "Category" of equipment (namely 1, 2, and 3), the IEC continued to utilise the method used for defining the safe levels of intrinsic safety namely "a" for zone 0, "b" for zone 1 and "c" for zone 2 and apply this Equipment Level of Protection to all equipment for use in hazardous areas since ...

  8. 12 Cute Duck Breeds You Need To See To Believe - AOL

    www.aol.com/12-cute-duck-breeds-see-173700366.html

    Mallard. When you think of ducks, the bird you picture is most likely a Mallard. This is because these ducks are seemingly everywhere, with populations spanning from South Africa to North America.

  9. Functional safety - Wikipedia

    en.wikipedia.org/wiki/Functional_Safety

    The primary functional safety standards in current use are listed below: IEC EN 61508 Parts 1 to 7 is a core functional safety standard, applied widely to all types of safety critical E/E/PS and to systems with a safety function incorporating E/E/PS. UK Defence Standard 00-56 Issue 2; US RTCA DO-178C, North American Avionics Software