The ladder itself (or any other tool) is part of a technology.The ladder (or any other tool) was designed by using engineering principles, which are based on scientificknowledge.
The ladder was invented thousands of years ago. No one remember who invented that tool, or when.
· ladder · lathe · level · lug wrench (car)
A Ladder
An extension ladder is a great tool to have. The ladder can be used in its collapsed state for shorter jobs, such as changing an outdoor lightbulb, or can be used in its extended state for higher jobs, such as cleaning out gutters.
Anthing that has a light on it. Technically a tool is just something you use to do something else. IE. climbing a ladder to reach a high place makes a ladder a tool, in the same way that anything you use would then be a tool. Microscopes, lasers, laser measuring devices.
Carry them in a tool belt around your waist.
It is used in a laboratory, but is not considered a laboratory tool by most people.
It is a tool for analysis of word meanings. Basically, words are placed higher or lower on the conceptual "ladder of abstraction" based on how they represent concrete or physical phenomena. Words that are higher on the ladder are more abstract than those that are lower.
Because it is a powerful tool.
Ladder trucks are normally 100ft but there are five 105ft used in the U.S. which will be considered the tallest in the world 105ft.
hey use an extremely handy tool called a ladder!