Rubber duck
A wheeled excavator, as opposed to a tracked one.
Definitions
Site slang for a wheeled excavator, the kind that rolls on rubber tyres instead of steel tracks. Named for the tyres. Handy on tarmac and roadworks where tracks would chew the surface, but less stable on soft ground than its tracked cousin.
In programming, the debugging technique of explaining your code line by line to an inanimate object (originally a literal rubber duck) until you spot the bug yourself.
CB radio trucker slang for a fellow trucker, especially when calling for a chat on the airwaves. Popularised by the 1975 C.W. McCall song 'Convoy'.
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