11.   To operate, always fill the water tank while the machine is disconnected from the mains socket.

12.   Water Hygiene and Ventilation - the specialised cleaning service for industrial and commercial ventilation systems, water tanks and cooling towers.

13.   We topped up the water tanks.

14.   ...water tanks which collect rainwater from the house roof.

15.   Water tanks should be well lagged and the roof well insulated.

16.   Original lead water tanks are prized collectors items but a few companies are making excellent reproductions so look out for them.

17.   If they are not already lagged, lag the cold water tank and pipes in the loft space.

18.   To lighten it, a water tank had to be emptied.

19.   And the parents of two children who drowned in a water tank at an army barracks say they may sue the Ministry of Defence for compensation.