PART IIISAFETY, HEALTH AND WELFARE
Ventilation
F155Duty to provide adequate ventilation.
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F156Avoidance of danger from gas in waste.
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S.57 rep. by SR 1980/333
F258Provisions as to means of ventilation.
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F259Prevention of leakage of air between airways.
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F260Provision of barometers and other measuring instruments.
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