former Yugoslav republics, with a gold chain and fittings 41. Refrigeration and air conditioning work 5162 Water plumbing and drain laying work 5163 Gas fitting construction work 5164 Electrical work 5165 Insulation work (electrical wiring, water, heat, sound) 5166 Fencing and railing construction work 5164 Electrical work 5165 Insulation work (electrical wiring, water, heat, sound) 5166 Fencing and railing construction work 5151 Foundation work, including pile driving 5152 Water well drilling 5153 Roofing and
typographically