0:01
Electric screw driver running, sporadic zipping (3).
0:02
Electric screw driver running, sporadic zipping (2).
0:01
Electric screw driver running, sporadic zipping (1).
0:01
Electric screw driver running, quick zip (3).
0:01
Electric screw driver running, quick zip (2).
0:01
Electric screw driver running, quick zip (1).
0:05
Electric screw driver running, gradually increasing.
0:04
Electric screw driver running, quick, sporadic movements (2).
0:03
Electric screw driver running, quick, sporadic movements (1).
0:11
Electric drill revving, running, and revving again.
0:03
Electric drill revving in quick succession.