The shovel is one of the necessary hand tools used in different tasks such as construction, gardening, cleaning and, in general, to excavate or move materials from one place to another.
The traditional shovel consists of a sheet of metal or other resistant material attached to a cylindrical handle as long as to take it with both hands and rest it on one of the knees, as a lever, which facilitates the task of lifting small amounts of material. By the way, this is the basic concept of leverage applied to human work.
A shovel consists of two parts: the plate at the lower end, usually metallic, rectangular and slightly concave, and the handle or end to operate it. The shape of the sheet metal as well as specific characteristics of the handle depends on the task at hand.
As mentioned above, the function of the shovel is to make the strong work less heavy for the movement of material or excavation. If we take as an example of its use in gardening, the mechanics are as follows:
Depending on the shape and material of the rigid end plate, as well as the characteristics of the handle, the blades can be classified into various types: