I wonder if the trades will include all the older, obsolescent trades such as Wireless Operator, Wireless Operator (A), Teleprinter Operator, Telegraphist II, Telegraphist II(A) Telegraphist I, Telegraphist I(A) and Tape Relay Operator.
One of the ancient Drill Instructors that we had in our Boy Entrant draft (38th Entry) in 1959 told us in a rare, unguarded moment that he had signed on well before WW2 and that his first RAF trade was "Driver, Steam".