On 04/08/2018 21:27, R D S wrote:
There are some scrabbling noises in the workplace, we suspect rodent
activity.

Do the plug in repellers work?

Not IME.

Chocolate baited mouse traps do. Peanut butter also attracts them, but
some seem able to eat that off the bait prong without tripping the trap.

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Colin Bignell