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Agricultural machinery
8
Tobacco -- Harvesting
8
Vibration
5
Employees -- Workload
4
Harvesting machinery
4
Acceleration (Mechanics)
3
Agricultural engineering
3
Hydraulic machinery
3
Machinery
3
Angles (Geometry)
2
Crop yields
2
Defoliation
2
Heart rate monitoring
2
Potentiometer
2
Scientific apparatus and instruments
2
Tobacco
2
Tobacco curing
2
Agriculture -- Research
1
Air
1
Chain saws
1