Answer:

OVERLOAD

Answer	Crossword Clue
OVERLOAD	Fuse problem
OVERLOAD	Burden too heavily
OVERLOAD	Too big a burden

OVERLOAD	Cause an axle to break
OVERLOAD	Subject to collapsing, maybe
OVERLOAD	Weigh down excessively

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.