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Subject: vertical to horizontal sec.sys. Spent Water (HB & PW)This is a term to describe the water that has been used in the cleaning process. Stair Rail System (GEWS) A vertical barrier erected along the open-side of a stairway to prevent people from falling. Steep Roof (GEWS) A roof having a slope greater than 4 in 12 (vertical to horizontal) or greater than 10 degrees. Stinger (HB & PW) Straight, rigid length of tubing at the nozzle end of a flexible lance or line mole. Suspension Scaffold (GEWS) One or more platforms suspended by ropes or other non-rigid means from an overhead structure. |
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link 22.12.2015 21:35 |
| On a sloping roof (also called a pitched roof), it means that for every 4 units (metres, feet or whatever) that the roof is high, it's 12 units wide. In other words, it's a roof with a slope/rise of '1 in 3'. |
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Можно закрутить через тангенс угла наклона крыши. :0) |
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