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Give An Inch, Take Several Feet With An Extension Ladder
The extension ladder should be positioned in a secured position with proper care to avoid any accidents while using the ladder. The primary rule for setting up an extension ladder is that when the ladder is standing four feet from the ground ,the bottom of the ladder should be extended by one foot and accordingly. For further clarification, if the ladder is rested on the edge of a landing which is eight feet above the ground, then the bottom of the ladder must be two feet away from that edge. If possible, it is ideal to have someone available to steady the ladder while one is mounting on it. On windy days, the ladder requires further security and should be tied on the top to avoid any unwanted mishaps. Prior to using the extension ladder, one should always check that both the locks are engaged properly, the ropes are not frayed and the steps are not broken or loose in any way. While using the ladder, one should always check to see that the ladder is level and if the ground on which the ladder stands is soft or uneven. If so, then a large flat wooden board should be placed directly under it. To find the correct size of an extension ladder for a job, one one must measure the span it needs to reach and then adding three feet. It is estimated by measuring straight up to where the ladder needs to be, adding 20% to that value and then adding the aformentioned three feet. The 20% results from a comparison of the hypotenuse to the vertical leg of a 3 X 4 X 5 right triangle. This is a generous allowance because the base of a leaning ladder must be set about one-quarter to one-third, according to its working height, from the vertical line down from where it contacts the wall or whatever it is steadied on or against. The adjustability of the Extension Ladder now fully benefits the user.
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