There are roughly these kinds of hand saws: wood saws for processing wood or hacksaws for making musical instruments, metal wire saws for processing complex curves, and double saws for logging or large-scale wood processing. Chain saws are the same as above, or gardening saws for shooting American horror movies, pruning branches and surgical saws. As long as they are used for amputation, other desktop mechanical saws are usually used for log processing and secondary processing of plates. The table saw is the king of carpentry and the housekeeping equipment in the woodworking room. It is mainly divided into four categories: a. The table saw uses a series motor, aluminum table top, about 2HP Advantages: cheap, does not occupy space Disadvantages: only saws wood. B. The contractor's sawing yard is floor-standing, with simple support, cast iron table and induction motor. 1.75-2HP Advantages: relatively cheap, light in weight and convenient to move Disadvantages: it is impossible to install a vacuum cleaner. The motor power is slightly poor, and the accuracy is poor. C. Hybrid Saw The hybrid saw is light in design, which is the same as the internal structure of B. D's fully enclosed box, cast iron table top and induction motor, 1.75-2HP Advantages: it is relatively cheap, equivalent to 70% of the full-function table saw Disadvantages: the motor power is slightly poor and the accuracy is poor. D. cabinet saw real table saw! Fully enclosed box structure, cast iron table top, induction motor, 3HP, professional backer. The first choice for joiners! Advantages: high precision, multifunction, 13/ 16 "wallboard, tenon, ... Disadvantages: expensive!