offi - opti
- operating division
- operating expenditure
- operating expenses
- operating grant
- operating income
- operating lease
- operating level
- operating leverage
- operating load
- operating load factor
- operating loss
- operating personnel
- operating plan
- operating procedure
- operating profit
- operating property
- operating range
- operating rate
- operating ratio
- operating report
- operating reserve
- operating revenue
- operating right
- operating rules
- operating statement
- operating surplus
- operating time
- operating-differential subsidy
- operating-differential subsidy agreement
- operating-differential subsidy vessel
- operation
- operation analysis chart
- operation breakdown
- operation card
- operation clause
- operation code
- operation condition
- operation deficiency
- operation element
- operation factor