Swimming pool water requires

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• For minimal eye irritation, pH value of swimming pool water should be in the range
• The presence of algae in water indicates that the water is
• If the pH of water is 7 it means the water is
• The presence of algae in water indicates that the water is
• is a method where water is used as a medium for the flow of sewage from its production of the treatment unit.
• The water carriage system is a hygienic system without any bad smell.
• Which of the following is correct regarding water carriage system?
• Which of the following is an advantage of a separate water carriage system?
• Which of the following is a disadvantage of a separate water carriage system?
• Which of the following is an advantage of the combined water carriage system?