UnScramble this Word: n g n g i b i?

Questions

Amount of time the average man spends ---------- 3350 hours.?

Amount of time the average man spends shaving ---------- hours.?

During the time of Peter the Great, any Russian man who wore a ---------- was required to pay a special tax.?

Hair is made from the same substance as---------- .?

Hairstylist Anthony Silvestri cuts hair while---------- .?