Metal Door Opens

1   Electric Typewriter
2   Bells
3   Hospital Waiting Room (with Talking)
4   Factory Work Whistle
5   Raking Leaves
6   Manufacturing (Bottling Sounds)
7   Messy Closet
8   Old Phone Rings
9   Old Style Cash Register
10   Meta Lathe
11   Tire Pump
12   Blacksmithing
13   A Pile Driver
14   Water Running 2
15   Squeaky Door Opens & Closes
16   Clock Alarm
17   Teletypes
18   Water Cooler
19   Freight Elevator
20   Sawing On Wood
21   Water Running
22   Electric Wall Heater (Switch)
23   Lighters & Match
24   A Water Pump
25   Manufacturing (Printing Press)
26   Ice Pick
27   Starting a Bath
28   Metal Door Opens
29   Air Conditioner Unit
30   Someone Knocking On Door
31   Ticking Sounds & Alarm
32   Raising Mini Blinds
33   Door Buzzer
34   Hand Drill
35   Wind Chimes