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An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.
Step stools are halfway between a ladder and a stool, being used, as a support platform, for reaching targets that are at heights between approximately 2 and 3 metres (6.6 and 9.8 ft). The most common modern type is made with two separate ladders connected to each other at the upper end, where there is a platform with an area big enough to ...
The treads are designed such that they alternate between treads for each foot: one step is wide on the left side; the next step is wide on the right side. There is insufficient space on the narrow portion of the step for the other foot to stand, hence the person must always use the correct foot on the correct step.
Although stepladders had been in use for many years before 1862, his primary contribution to safety was the replacement of round rungs by flat steps. He became a wealthy businessman because of his inventions. Balsley's home in the Oregon Historic District, built about 1877, still stands at 419 East Sixth Street, a reminder of his success. [1]
LADDER-Inventory Item Go back to the scene where you threw the brick through the window and you will see a ladder on the right side. Click on the ladder and it will go into inventory.
The Second Step is the best known of the rocky steps. The steep section, at an altitude of 8,610 m, has a climbing height of 40 metres (130 ft), of which the last five are almost vertical. The steep section, at an altitude of 8,610 m, has a climbing height of 40 metres (130 ft), of which the last five are almost vertical.