In accordance with the Occupational Safety and Health Act (hereinafter referred to as the Act) Article 6 Paragraph 3, Article 7 Paragraph 2 and Article 8 Paragraph 5, the standard is enacted.

This standard is applicable to machinery, equipment or tools stated below:
1. Those specified in Article 12 of the Enforcement Rules of the Act.
2. Those announced by the central competent authority in according with Paragraph 1, Article 8 of the Act.
The structures, performances and safe guards of the abovementioned machinery, equipment or tools shall not below the requirements of this standard.

Terms of the standard are defined as follows:
1. A protective stop mechanism: referred to automatically stop a slider, a cutter or a ram (hereinafter referred to as the slider) when a press machine or a shear machine detecting dangerous or abnormal condition.
2. An emergency stop device: referred to stop the slider moving by manual operation when the press or the shear machine detecting dangerous or abnormal condition.
3. A self-adjusting contact-preventive device: referred to the safeguard of a hand-fed planer that can automatically open or close with the feeding of processing material to prevent a blade from touching.