§ 84.121 - Head harnesses; minimum requirements.

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§ 84.121 Head harnesses; minimum requirements.

(a) Facepieces shall be equipped with adjustable and replaceable head harnesses, designed and constructed to provide adequate tension during use and an even distribution of pressure over the entire area in contact with the face.

(b) Mouthpieces shall be equipped, where applicable, with adjustable and replaceable harnesses designed and constructed to hold the mouthpiece in place.

                    
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§ 84.121 - Head harnesses; minimum requirements.

§ 84.121 Head harnesses; minimum requirements.