UK: Dental instruments in tray, patient having teeth cleaned by dentist, close shot dentist wearing dental loupes fixed to glasses Dental patient having teeth worked on by dentist

Pan down on a powerful jet of rushing water pouring from a gleaming tap head. The water sprays off a clean metallic sink and pours down the shiny plughole.

Washing hanging from a washing line being blown in a strong breeze. Towels and clothes drying in garden.

Paris street, early morning, being washed by a Street Cleaner. He uses a hose to spray the water across the pavement and road as people pass by.

Pan down on a powerful jet of rushing water pouring from a gleaming tap head. The water sprays off a clean metallic sink and pours down the shiny plughole.

Close up view of a powerful jet of rushing water spraying downwards from a tap onto a clean, metallic sink surface.

London, England: Young male doctor cleaning hands in wash basin, close up of hand washing

The hand of an unidentifiable man turning on a tap. Pan across to the gleaming head of the tap spraying a powerful jet of rushing water.

London, England: Hospital cleaner sweeping floor of corridor. Close up of mop cleaning hospital floor

Female workers wearing overalls and hairnets working on a chocolate factory production line packing brightly-coloured chocolates into boxes.

Pan across from the head to the handle of a gleaming tap spraying a powerful jet of rushing water. The hand of unidentifiable man turns the tap off.

Pan across from the head to the handle of a gleaming tap spraying a powerful jet of rushing water. The hand of unidentifiable man turns the tap off.