clarifiers, activated sludge, flocculant, underdrain, chlorination, filtration, digester, molecular sieve, scrubber, raffinate, influent, upflow, aeration, trommel, effluent, digestor, stillage, reverse osmosis, macerator, leachate, filtrate, hypochlorite, outfall, granulate, soakaway, thickener, recirculation, wastewater, sodium hypochlorite, reclaimer, ultrafiltration, subgrade, valving, eluent, separator, ozonation, crossflow, floc, calcium oxide, lamella, adsorbent, solids, manway, denitrification, decantation, superheater, vacuum distillation, piping, gunite, nitriding, pasteurizer, oxygenator, activated carbon, downpipe, capillary tube, penstock, cementation, inlet manifold, dehydrogenation, dialysate, aerator, microchannel, oxidisation, economizer, swarf, calcium sulphate, fermenter, coolant, reactant, potassium permanganate, sewer, portland cement, slurry, carbonization, aluminum sulfate, condenser, melter, retarder, silica gel, pearlite, septic tank, electrowinning, drip pan, permanganate, evaporator, eductor, barium sulfate, oxidiser, sludges, dripper, headrace, water softener, membrane, precipitator, evaporative cooler, dialyzer, cyclohexane, hoistway, drainage, semipermeable membrane, cuvette, pipework, cooler, drier, contactor, absorber, collimator, combustor, dryer, extractor, burner, compressor, conveyor, radiator, receiver, impeller, sludge, aerated, baffle, biopharmaceutical, blast, block, cavity, curvilinear, exchanger, exterior, filter, fortress, functional, hood, observatory, oven, overlay, resisting, reticulate