S-2.1, r. 15 - Regulation respecting safety and health in foundry works

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67. Protective screens: Where tapping holes on open-hearth furnaces are cut with oxygen, protective screens shall cover the holes to prevent molten metal from being blown and injuring workman, unless the oxygen nozzle is at least 1.8 m long.
R.R.Q., 1981, c. S-2.1, r. 20, s. 67.