0:11
Respirator pump clicks up and down with hiss of oxygen through mask.
0:33
Busy mall ambiance with crowd chatter and footsteps.
0:10
Somebody using chalk on a blackboard in a hard manner with distant traffic sounds.
0:40
Ambiance from a supermarket with check-out tills and crowd chatter.
0:29
Person opening and closing drawers in wooden desks, rummaging and searching through drawer contents
0:05
Inserting a pencil in a pencil sharpener.
0:27
Ambiance of a busy post office with crowd chatter and footsteps.