NPR Sunday Puzzle (Dec 25): What's Perceptible in Non-Perception

NPR Sunday Puzzle (Dec 25): What's Perceptible in Non-Perception:

Q: Take the word non-perception. Rearrange its 13 letters to name three things that are in the same category. What are they?

Given some of the recent NPR puzzles, I was in my element solving this one in no time at all.

A: COPPER, NEON, TIN

NPR Sunday Puzzle (Dec 18): Reading Forward and Backward

NPR Sunday Puzzle (Dec 18): Reading Forward and Backward:

Q: Take the word debunk, starting with the b inside, read the letters forward and you get bunk. And starting with the b and reading backward, you get bed. Together, these two words spell bunk bed. Now, think of a word with an m inside, starting with the m and reading forward, you'll get one word, and starting with the m and reading backward, you get another word. And together these two words make a job title. What is it?

This puzzle is so simple, you don't need any hints from me. I'll post my answer sometime Thursday after time has expired, or when I get 'round to it.
Edit: Okay, time is up... now you're getting a ticket

A: diameter --> meter maid