32.10.3.
Air hoses should be secured by chains, or have self-
locking couplings, or otherwise be prevented from causing danger
if a coupling fails.
32.10.4.
Drillers should wear goggles and heavy gloves.
32.10.5.
Precautions against dust in drilling should be taken
in compliance with the requirements of paragraphs 32.14.9 to
32.14.12