KEEP IT CLEAN

The video discusses the evolution of bus cleaning in London, highlighting the shift from manual cleaning with a steam lance to an innovative automatic machine developed in collaboration with Birmingham engineers. This machine uses cold water at high pressure to efficiently clean buses, potentially setting a new standard for commercial vehicle cleaning before MOT tests.

How often is the bottom of a London bus cleaned on average?

• Every 16 weeks

• Every 32 weeks

• Every 48 weeks

• Every 64 weeks

What was the traditional method used to clean the buses?

• Using a vacuum cleaner

• Using detergents

• Using a pressure washer

• Using a steam lance

What is the main advantage of the new automatic cleaning machine?

• It is more expensive

• It takes less time

• It uses detergents

• It uses hot water

What pressure does the new machine use to clean the buses?

• 250 pounds per square inch

• 450 pounds per square inch

• 150 pounds per square inch

• 350 pounds per square inch

How many gallons of water are used to clean one vehicle with the new machine?

• 250 gallons

• 350 gallons

• 450 gallons

• 550 gallons