http___www.zhitov.ru_ga_metal_ladder_z4__1.xml
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Calculating the size of wooden stairs with withs Select the required dimensions in millimetres - Aperture length stairs - The height of the stairs - Width of stairs - Number of steps - The thickness of the steps - Ledge steps - the thickness of the treads or open string - Display risers LR - direction lifting stairs SP - the position of the first degree relative to the level of a floor of the second floor Features of the program. Calculation of convenient size, wooden stairs with closed strings. Determining the amount of material. The exact dimensions of all the parts. Detailed drawings and schematics of all elements of the stairs. Recommendations on convenience stairs. The comfort and ease of climbing the stairs is calculated by a formula based on the length of the pitch. The length of the pitch man is 60 to 66 cm, on average - 63 cm Comfortable ladder corresponds to the formula: 2 step height + depth level = 63±3 cm. The most convenient tilt ladder - from 30° to 40°. Depth staircase steps must meet size 45 shoes - no less than 28-30 cm Lack of depth can compensate for the projection step. Step height should be 20-25 cm
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Ríomh staighre miotail le cas de 180 céim agus a zigzag bowstring Sonraigh na gnéithe de dhíth i milliméadair SP X - oscailt staighre leithead Y - Cró Airde W - Leithead an staighre E - Leithead an riain F - céimeanna Ledge T - líon na n-bowstrings C - Líon na céimeanna Z - An tiús na céimeanna A - An tiús na sreinge G - Leithead teaghrán - Socraigh an seasamh an chéad chéim ar leibhéal an urlár an dara hurlár. LR - Socraigh an treo a ghnóthú. Chun a tharraingt ar an staighre. Gnéithe. Ríomh dearadh áisiúil staighre cruach le cas de 180 céim. Chinneadh an méid na n-ábhar. Na toisí cruinn na sonraí go léir. Líníochtaí mionsonraithe agus léaráidí de na gnéithe uile de dréimire miotail.