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Play-Doh or also known as Play-Dough is a modeling compound for young children to make arts and crafts projects. The product was first manufactured in Cincinnati, Ohio, United States, as a wallpaper cleaner in the 1930s. [1] Play-Doh was then reworked and marketed to Cincinnati schools in the mid-1950s. Play-Doh was demonstrated at an ...
Skully (also called skelly, skellies, skelsy, skellzies, scully, skelzy, scummy top, tops, loadies or caps) is a children's game played on the streets of New York City and other urban areas. [1] Sketched on the street usually in chalk, a skully board allows a game for two to six players.
A safety curtain is required per United States building codes if the proscenium wall is required to be fire rated. [1] The curtain is required to demonstrate a fire rating of approximately 30 min per testing. [2] In the UK, it is a requirement that a safety curtain must be fully down within the proscenium opening within 30 seconds of being ...
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 ...
"NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association. First "tentatively adopted as a guide" in 1960, [ 1 ] and revised several times since then, it defines the " Safety Square " or " Fire Diamond " which is used to ...
This dead man zone can be a safety net for firefighters if the fire is moving at a high speed. The dead man zone can also be prepared in a way that slows down the fire. Firefighters can get outside the dead man zone safely without seeing what the fire is going to do and develop a plan of attack or defense upon the fire's next move.
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A firebreak or double track (also called a fire line, fuel break, fireroad and firetrail in Australia) is a gap in vegetation or other combustible material that acts as a barrier to slow or stop the progress of a bushfire or wildfire. A firebreak may occur naturally where there is an absence of vegetation or "fuel", such