Mich. Admin. Code R. 408.13346 - Crown and chin protectors
Rule 3346.
(1)
A crown protector and chin protector shall be made of material having an
impact-resistance not less than that of the plastic window. When the crown
protector is used in conjunction with the chin protector for protection against
sprays of hazardous liquids, the assembly of the crown protector and window
support and the assembly of the chin protector and window shall not allow
liquids to pass through any opening in the assembly and reach the face,
forehead, or chin of the wearer.
(2) A crown protector shall be shaped to
cover at least the frontal portion of the head and shall extend around each
side at least to a vertical line at the front of the ears. It may be an
integral part of the window support or a separate assembly. The design shall
provide a comfortable clearance over the forehead and the head of the
wearer.
(3) A chin protector shall
be shaped to cover at least the chin and upper part of the neck. The design
shall provide a comfortable clearance under the chin of the wearer.
Notes
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No prior version found.