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Employees -- Workload
10
Agricultural machinery
8
Tobacco -- Harvesting
8
Vibration
7
Agricultural engineering
6
Temperature
5
Tobacco -- Research
5
Force and energy
4
Heart rate monitoring
4
Farm mechanization
3
Oxygen consumption (Physiology)
3
Tobacco curing
3
Agriculture -- Research
2
Air
2
Growth (Plants)
2
Harvesting machinery
2
Machinery
2
Plants -- Measurement
2
Tobacco
2
Tractors
2