Retail and wholesale sales and services relating to tanks made of metal and/or non-metallic materials, troughs, stormwater detention chambers, components for stormwater detention systems, plumbing fittings, drain pipes, tubes, valves, taps, pumps, irrigation systems, and stands for supporting tanks, troughs and/or stormwater detention chambers, servicing and repairing machinery, including sales and servicing of pumps, pump accessories, in-line filters and swimming pool filters, water testing and treatment, roofing, plumbing and hardware materials, gutter protection, filtration, rain harvesting and products relating to sustainable energy conservation, inluding wind, air, sun and earth, gardening and gardening supplies and services, household chemical cleaners, detergents, fertilisers, weed sprays, consultation, testing and design of systems that relate to such products and services