Answer: crunchers

AnswerCrossword Clue
CRUNCHERSU. S. Army "bulldozers."
crunchersA critical or vital point; a crucial or difficult question
crunchersCRUNCHER, one that crunches (to chew with a crackling sound, also CRANCH, CRAUNCH)
crunchersA computer, system, or person able to perform operations of great complexity or to process large amounts of information