Saturday Mac riddles 143

Here are this weekend’s riddles to entertain you through family time, shopping and recreation.

1: Strait, surgical probe, volume controls.

2: Reproduced sound of medium length for device configuration.

3: Biggles in khaki is lossy in iTunes.

To help you cross-check your solutions, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.