1
defoaming agents, tracing dyes, sewage digestant, settling agents, chlorination tablets, and dechlorination tablets, all for sewers
2
spray marking paints for marking locations of utility pipes and lines
3
cleaning and degreasing preparations for sewers, and drain openers
5
deodorizing preparations for sewers
8
hand operated tools for use in the water and sewage treatment industry, namely, curb, valve and service box keys, shutoff rods; probes; wrenches; manhole cover lifters; and meter base spreaders
9
water test kits for testing water and raw and treated sewage (comprised of water optical comparators; powder, tablet and liquid reagents; chemical buffers; visual comparators; and sample bottles, vials and tubes); cameras for viewing sewers; and flow measurement and electrical flow control devices (mechanical and electrical) for use in the water and sewage treatment industry and accessories therefor
17
plastic flagging tape used to cordon off areas or mark off areas and to indicate locations of utility lines
21
cleaning brushes used to clean laboratory vessels and water and wastewater sampling devices