Personnel depts., and what the personnel in 20-, 31-, 40- and 50-Across have in common 3 letters

Crossword clues for Personnel depts., and what the personnel in 20-, 31-, 40- and 50-Across have in common 3 letters

Answer	Clue
HRS	Personnel depts., and what the personnel in 20-, 31-, 40- and 50-Across have in common