This clause of Part 1 is applicable, except as follows:19.1 Replacement of the first paragraph:Moving and dangerous parts other than the rotating blade shall be so positioned or enclosed to provide adequate protection against personal injury. The guarding of rotating blade is covered in 19.1.101.19.1.101 Saws shall be so guarded as to minimise the risk of accidental access to the rotating blade. Guarding systems shall not be removable without the aid of a tool.There are four commonly used guarding systems for saws, as shown in Figures 101, 102, 103 and 104. Guarding systems can be designed with the blade on the right or on the left side of the saw. These guarding systems shall comply with the requirements of 19.101 and19.102. Each one of these guarding system types can be designed with or without the riving knife (item 6 in the figures).– If a guarding system is designed with a riving knife, it shall meet the additional requirements of Annex AA.– If a guarding system is designed without a riving knife, it shall meet the additional requirements of Annex BB.Compliance is checked by inspection.