The use of tools must be familiar with the performance, characteristics, use, storage and maintenance of tools. All kinds of construction tools must be qualified products produced by formal manufacturers. Tools must be inspected before work, and no tools such as corrosion, deformation, loosening, failure or breakage are strictly prohibited.
The hammer is the main hitting tool, consisting of the hammer head and the hammer handle. The hammer is divided into rust removing, nipple hammer, machinery, horn hammer, inspection hammer, flat tail inspection hammer, octagonal hammer, German octagonal hammer and sledge hammer.
The weight of Bumping Body Hammer should be suitable for workpieces, materials and functions. Too heavy and too light will be unsafe.