Revetments and facings, including revetments and facings for culvert and structure aprons, bridge abutments, weirs, drainage and overflow channels, flood banks, dam crests, dam spillways, rivers, canals, marinas, boat ramps, docks and harbours; paving and building tiles and blocks, including tiles and blocks for forming revetments and facings; and all other goods in class 19.

Revetments and facings, including revetments and facings for culvert and structure aprons, bridge abutments, weirs, drainage and overflow channels, flood banks, dam crests, dam spillways, rivers, canals, marinas, boat ramps, docks and harbours; paving and building tiles and blocks, including tiles and blocks for forming revetments and facings; and all other goods in class 19.

Pipes, fittings and filter elements in class 17, and all other goods in class 17

"Valves and parts thereof and fittings therefor, being goods in class 20 and all other goods in class 20".

Plastics and resin materials, including plastics and resin materials containing reinforcing material including fiberglass and other fibrous reinforcing materials.

Non-metallic drain pipes in this class, fittings and accessories therefor included in this class

Drain pipes in this class, fittings and accessories therefor included in this class

Concrete pipes for various industrial purposes, including water supply, drainage, sewerage and irrigation, and for lamp standards, septic tanks and well linings, and the following articles composed wholly or mainly of concrete, anchor blocks, box culverts, crib blocks for fences or retaining walls, fence posts, grease traps, guttering, incinerators, kerbing, manhole units, paving slabs, sewerage fittings, silo staves, water stave tanks, pretensioned beams and postensioned beams.

Plastic sheets or foils used on or in connection with steel or concrete work,