(3) To the Department of solid foot ladder, and to take plus rubber bandage or nails or anchor or folder in prison, such as anti-skid measures to prevent dumping pummeling. Ladders are not allowed to use metal tools elevate net to prevent loose or uneven subsidence ladder between the foot and the pad material after Loaded, dangerous. The upper end of the ladder fixed to additional measures. Working angle vertical ladder to 5 ° ± 75 ° is appropriate, too large dip-slip prone, dangerous. Pedal down to 300mm spacing is appropriate, can not have missing files. (4) If you use a ladder to take a long, stability will be reduced. Therefore, in addition to taking measures to secure even a solid connection point, the regulations only allowed to take a long time, that does not allow three or more connected ladder. After connecting ladder beam intensity is not less than the strength of the single staircase ladder beams. (5) when the demolition ladder use, the upper corners to 35 ° ~ 45 ° is appropriate. Hinge must be strong, and to set up a reliable pull support measures. (6) fixed straight ladders usually made of metal materials. When using steel production, to use Q235A · F. Ladder width should not stem 500mm, support should not be less than L70mm X6mm of angles, and welding firm have to be buried. Both the top surface of the top rung ladder and climb should flush and need additional 1m-1.5m high handrail to prepare for temporary help pull. Such as the use of a straight ladder climbing work carried out, climbing to a high place that is highly limited 5M over 2m should be additional security circle. 8M height of more than two jobs, you need to set up a platform in the middle of the staircase to prepare receded purposes. What makes a good ladder ladder _ which brand is good - Chinese brands Chinese brands to provide you with the common people puzzled questions about what makes a good ladder, ladder which brand is good, brand rankings ladder, ladder brand ranking, etc., to bring you massive brand Comparative information for your shopping convenience home life ladder ranking the top ten brands - China Building Materials Trade Network Portal - Chinese professional building materials ... 2014-11-26 · Let's take a look at 2011's top ten ladder?? - ladders - Household ladders ten brands list, take a look at what makes a good ladder. ... Site all relevant information are transferred from the site, belongs to the original author or the original company brand all stairs, wood stairs brands, top ten brands of ladders, ladders brand, steel and wood staircase ... brand rankings, what brand of wooden stairs Well, the top ten brands of solid wood staircase, wood staircase which brand is good, what brand of good hardware glass staircase, wrought iron staircase rankings hardware accessories, ladder brand, top ten brands of ladders, household ladder ladder household brand brand - Ladder top ten brands ? What makes a good home for household ladder ladder ... Taihe featured home network for your brand rankings ladder, household ladder brand -?? the top ten brands of household ladder ladder ladder What makes a good home which brand is good, what makes a good household ladder? household ladder ranked the top ten brands - Taihe Network Hardware Tools Hardware _ _ provided by Custer Custer Logistics Equipment Co., Ltd. Shenzhen. Shenzhen Custer Logistics Equipment Co. (www.szcaster.com) strong, credible, in Shenzhen, Guangdong electronics, electrical products and other manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement and innovative ideas will lead you hand into the brilliant Custer, a better future!