assessment of operation condition

co-operation of operation

mode of operation of reservoir

model of operation of cyclotron

Operation condition of equipment under test

operation condition of pump

optimization of operation condition

variable operation condition of steam turbine

ability of operation

abnormal operation condition

abnormal operation of electric power system

accuracy of operation

achievement of operation

act of operation

administration of operation

affording ease of operation

algebraic operation of the map

allocation of operation facilities

analy sis of operation