Saturday Mac riddles 139

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

1: Reverse to support a complete copy in case.

2: Lunch box worked with the data in your address book until its death eight years ago.

3: The bosun’s mate who stabilises pH in temporary storage.

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.