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Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources.
The IEEE 1584 arc flash boundary equations can also be used to calculate the arc flash boundaries with boundary energy other than 1.2 cal/cm 2 such as onset to 2nd degree burn energy. Those conducting flash hazard analyses must consider this boundary, and then must determine what PPE should be worn within the flash protection boundary.
In the mining industry, non-contact electrical burns due to arc flash events are the largest single category of electrical injuries. To address this problem, NIOSH OMSHR researchers conducted a study of such injuries from an 11-year period, with findings that included the determination of organizational and human behavior components of arc ...
Date/Time Thumbnail Dimensions User Comment; current: 21:02, 22 June 2024: 917 × 800 (3 KB): Maxi123ID: Reverted to version as of 10:26, 6 March 2022 (UTC) 12:48, 12 March 2022
Urea, also known as carbamide-containing cream, [clarification needed] is used as a medication and applied to the skin to treat dryness and itching such as may occur in psoriasis, dermatitis, or ichthyosis. [1] [2] [3] It may also be used to soften nails. [3] In adults side effects are generally few. [4] It may occasionally cause skin ...
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And last December, I updated my list of top 10 stocks for 2024, which have again outperformed the market. With $10,000 invested equally across those 10 stocks at the beginning of the year, you'd ...
Flash burn. Flash burns are caused by electrical arcs that pass over the skin. The intense heat and light of an arc flash can cause severe burns in a fraction of a second. Although the burns can cover a large area of skin, they are largely superficial and the tissues beneath the skin are generally undamaged and unaffected.