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Keywords:
MACHINERY,
TREATMENT,
WATER,
OZONE,
MAINTENANCE,
TESTS,
MACHINES,
RESERVOIRS,
ALGAE,
GROWTH,
PREVENTION,
WATER SUPPLY,
COSTS,
CONTROL,
CHLORINE,
APPARATUS,
SWIMMING POOLS,
GENERATION,
ADAPTABILITY,
ASHTON PLANT,
KNOTT HILL RES.,
UK
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© Thomas Telford and ICE
1944
