There are also fixed ladders that are used on the sides of boats or on some Lorries. John H_ Basely of Dayton invented the step ladder in 1862. When he made it he put hinges on it so when someone ...

If the allure of promotions can no longer get everyone to work hard, what will? The dream of climbing the corporate ladder feels as old as America itself. But 200 years ago, there was no corporate ...

“Using ladders for work-above-ground is unsafe ... working platforms or other safe means of support, including step platforms or hop-up platforms in conformity with international or national ...