On-air challenge: I'm going to give you clues for two words. Insert the consecutive letters LI somewhere inside the first word to get the second one.
For example: Bit of mischief/Instrument for measuring --> CAPER, CALIPER
Last week's challenge: Name an 11-letter occupation starting with H. If you have the right one, you can rearrange the letters to name two things a worker with this occupation uses — one in six letters and one in five. What occupation is it?