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  2. IP code - Wikipedia

    en.wikipedia.org/wiki/IP_Code

    IP code. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical ...

  3. Radiation protection - Wikipedia

    en.wikipedia.org/wiki/Radiation_protection

    Radiation protection, also known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this". [1] Exposure can be from a source of radiation external to the human body or due to internal irradiation ...

  4. List of polyurethane applications - Wikipedia

    en.wikipedia.org/wiki/List_of_polyurethane...

    Polyurethane foam made with an aromatic isocyanate, which has been exposed to UV light. Readily apparent is the discoloration that occurs over time. Custom-cast polyurethane objects. Polyurethane products have many uses. Over three quarters of the global consumption of polyurethane products is in the form of foams, with flexible and rigid types ...

  5. UV coating - Wikipedia

    en.wikipedia.org/wiki/UV_coating

    A UV coating (or more generally a radiation cured coating) is a surface treatment which either is cured by ultraviolet radiation, or which protects the underlying material from such radiation's harmful effects. [1] They have come to the fore because they are considered environmentally friendly and do not use solvents or produce volatile organic ...

  6. List of light sources - Wikipedia

    en.wikipedia.org/wiki/List_of_light_sources

    This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...

  7. List of solar-powered products - Wikipedia

    en.wikipedia.org/wiki/List_of_solar-powered_products

    The following is a list of products powered by sunlight, either directly or through electricity generated by solar panels . Solar air conditioning. Solar balloon. Solar charger. Solar backpack. Solar cell phone charger. Strawberry Tree. Solar chimney. Solar-powered waste compacting bin.

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