Acoustics — Laboratory tests on noise emission from appliances and
equipment used in water supply installations — Part 4: Mounting and
operating conditions for special appliances
Paints and varnishes — Evaluation of defects on coated surfaces using
optical imaging — Part 2: Evaluation procedure for multi-impact
stone-chipping test
Plastics — Urea-formaldehyde and urea/melamine-formaldehyde powder
moulding compounds (UF- and UF/MF-PMCs) — Part 3: Requirements for
selected moulding compounds