What is the history of agriculture hand tools and garden hand tools?

Hand tools are small tools that are held by hand and controlled by human or human hands. For hand cutting and auxiliary decoration. Generally, they are equipped with handles for easy carrying. 

Hand tools are a tool of transforming and conquering nature, which are produced and developed at the same time with human beings. The original hand tools were very simple, such as wooden sticks, stones with edges and corners, etc. Hammers began to use more complex hand tools after people could process stones or animal bones into stone axes, stone knives and bone needles. In 4000 BC, the emergence of metallurgical technology promoted the separation of agriculture and handicraft industry, and also improved the manufacturing of hand tools. Modern hand tools still retain the characteristics of the original hand tools, such as the pliers created in 300 A.D. and the whole set of spanners used to tighten the screws, which are still in use today. This is the agricultural hand tools .

With the development of modern mechanical and metallurgical technology, hand tools are constantly updated and developed in modeling design, material use and other aspects, fully considering the design factors such as mechanics and human function; with the development of social economy and the close division of industrial production, the manufacturing of hand tools is more specialized and diversified, such as on-board tools and electronic instrument assembly Tools and garden hand tools and other special supporting hand tools. 

Manual tool is a relative conceptual classification, which mainly refers to the difference between machine or automatic driven tools. It is named for its manual driving mode. Some tools can be used by hand or installed on machines or automatic mechanisms, so there is no strict distinction between tools themselves .

Hand tools can be divided into cutting tools and decoration AIDS according to their functions, and can be divided into screw and nut assembly hand tools (such as spanners, screw screwdrivers), construction hand tools, gardening hand tools (scissors, sickles, haycutters, tree shears, etc.), pipeline hand tools, measurement hand tools, woodworking hand tools, welding hand tools, etc. according to their uses. Common tools include hammers, files, knives, pliers, saws, screwdrivers, wrenches and diamond tools.