According to the 2006/42/EC Machinery Directive Annex IV, the 23 categories of dangerous machinery are as follows:

1) Circular saws (single blade or multiple blades) for processing wood and materials with similar physical parameters, or processing meat and materials with similar physical parameters.

2) Manually fed woodworking plane and planer.

3) Single-sided thick planer for woodworking, equipped with a mechanical workpiece feeding device for manual loading and unloading of workpieces.

4) Band saws for processing wood and materials with similar physical parameters, or processing meat and materials with similar physical parameters.

5) Combined machinery used to process wood and materials with similar physical parameters. The machinery described in Article 1), 2), 3), 4) and Article 7) of this section can be used as its combined mechanical device.

6) Manually fed woodworking tenoner with multiple tool holders.

7) Manually fed vertical axis milling machine for processing wood and materials with similar physical parameters.

8) Hand-held chain saw for woodworking.

9) Manually loaded and unloaded metal cold working presses (including plate bending machines), whose movable working parts have a stroke of more than 6mm and a moving speed of more than 30mm/s.

10) Plastic injection or compression molding machine with manual loading and unloading.

11) Rubber injection or compression molding machine with manual loading and unloading.

12) The following mechanical equipment used for underground work: locomotive head and brake car, hydraulic drive top frame.

13) Manually loaded and collected household garbage trucks equipped with compaction mechanism.

14) Detachable mechanical transmission equipment with guards.

15) Protective device for detachable mechanical transmission equipment.

16) A vehicle for picking up mushrooms.

17) Lifting equipment for manned or manned loads that has the risk of falling from a vertical height of more than 3 meters.

18) Portable ammunition pushes fixed equipment or other impact mechanical equipment.

19) Protective device designed to detect the presence of personnel.

20) The power-driven interlocking movable protection device for mechanical protection described in Article 9), 10), and 11).

21) Logic device to ensure safety function.

22) Overturn protection device (ROPS).

23) Falling Object Protection Device (FOPS).