Stone Quarry

1 Spade
2 Electric Sewing Machine
3 Hoeing
4 Electric Railroad
5 Rolling Shutter On Storefront
6 Pistol Water Sprinkler
7 Electric Light Bulbs
8 Generator Unit
9 Electric Welding Machine
10 Hydraulic Auto Lift
11 Industrial Textile Machine
12 Large Truck
13 Sawmill
14 Electric Drill On Wood
15 Tree Falling
16 Carpenters At Work
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