7
POWER-OPERATED PIPE INSTALLATION APPARATUS, PUMPS AND COMPRESSORS, BEING PARTS OF MACHINES, MOTORS, AND ENGINES, MACHINES FOR THE CONSTRUCTION, REPAIR AND MAINTENANCE OF SYSTEMS FOR THE SUPPLY, DISTRIBUTION AND TRANSMISSION OF GAS OR WATER, DRILLING MACHINES, TRENCHING MACHINES; AIR SUCTION MACHINES; PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS
8
HAND TOOLS AND IMPLEMENTS FOR ASSEMBLING AND DISASSEMBLING, MAINTAINING AND REPAIRING PIPES AND PIPE BRACKETS, NAMELY, HAND HELD CUTTING TOOLS, PINCHERS, WRENCHES, PLIERS, PIPE BEVELING DEVICES IN THE NATURE OF PIPE CUTTERS, TAPS, HEX KEY WRENCHES, AND EXTENSIONS FOR HAND TOOLS; REPLACEMENT PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS
37
PIPELINE CONSTRUCTION, PIPELINE INSTALLATION, INCLUDING DRILLING BOREHOLES FOR PIPELINES; PIPELINE REPAIR, PIPELINE MAINTENANCE; PIPELINE REPLACEMENT; ROAD STRIPPING AND SEALING
42
ENGINEERING IN THE FIELDS OF PIPELINE CONSTRUCTION, INSTALLATION AND REPAIR; PIPELINE INSPECTION