A supply man was driving alongside in his sensible gray van, however each mile or so he stopped, received out and banged its sides with a mallet.
The policeman adopted him for some time, then stopped the van by the roadside and requested the driving force what he thought he was enjoying at.
“Properly, it’s like this, officer. I’ve received two tons of canaries on board however it is just a one-ton van.
So I’ve received to maintain half the little buggers flying round or they may all perch and wreck its suspension.”