Round 7 - Judge MikeJeggo

...because neither convert a crocodile to a rubber chicken . -- Vitenka
...because both can be used to circumnavigate the globe . -- Steve
...because neither can be used as a replacement for Margaret Thatcher . -- K
...because neither have been caught drinking cappuccino in Aberystwyth with someone from Italian restaurants . -- qqzm
...because neither can be used to power a spacecraft . -- PeterTaylor
...because both are required for the safe use of Concrete Cows . -- AlexChurchill