Original: They had the door to the cab at the rear , with a railed veranda behind the cab ; this feature was very unusual on British Rail locomotives although was used on many Yorkshire Engine Co. designs and was/is quite normal in North American practice .
Simplified: They had the door to the cab at the rear , with a railed veranda behind the cab . It was used on many Yorkshire Engine Co. designs and was/is quite normal in North American practice .