operation (of machine); operating; running; working
trade; business; occupation; profession; job
full operation (e.g. factory, machine, reactor); full strength; full speed
working; in operation; running; active
operating ratio; rate of operation; availability factor
hours of operation (machine, etc.); uptime
restarting; resuming operations (e.g. at a power plant)
room occupancy ratio; guest room usage rate
precarious trade; unstable occupation; itinerant trade
popular occupation; occupation largely dependent on public favor
making a living in the red-light district
stage career; acting career
planting and harvesting; farming
actual working conditions; field conditions
index of capacity utilization ratio; ICUR; capacity utilization index; operating rate index
idiot; moron; trivial matter; folly; stupid; foolish