1 Carpenters At Work
2 Tree Falling
3 Electric Drill On Wood
4 Sawmill
5 Spade
6 Electric Sewing Machine
7 Hoeing
8 Electric Railroad
9 Rolling Shutter On Storefront
10 Pistol Water Sprinkler
11 Electric Light Bulbs
12 Generator Unit
13 Electric Welding Machine
14 Hydraulic Auto Lift
15 Industrial Textile Machine
16 Large Truck
17 Wheelbarrow
18 Bulldozer 2
19 Stone Quarry
20 Calculator
21 Tank Truck
22 Machine Tool On Wood
23 Railroad 4
24 Hand Sickle
25 Railroad 3
26 Railroad 2
27 Railroad
28 Water Pipes
29 Painter At Work
30 Water Faucet
31 Hairdressing
32 Hairdryer
33 Shipyard
34 Loading a Ship
35 Fishing Boat
36 Ferry Boat
37 Sail Boat
38 Out Board Motor
39 Sonnar
40 Blast Furnace
41 Steel Works
42 Bulldozer
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