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Employees -- Workload
16
Agricultural machinery
9
Vibration
9
Acceleration (Mechanics)
6
Harvesting machinery
5
Heart rate monitoring
5
Machinery
5
Tobacco -- Harvesting
5
Agricultural engineering
4
Force and energy
4
Temperature
4
Angles (Geometry)
3
Hydraulic machinery
3
Tobacco
3
Agricultural laborers
2
Agriculture -- Economic aspects
2
Air
2
Crop yields
2
Engines
2
Equations
2