operating

careful, conscious, engaged, favorite, free, high, inside, most

She remained conscious of the operating costs while planning the renovation.

chose, cost, don't, fascinating, happens, set, touch, understanding

I don't know how much it cost operating that old factory for so many years.

circuitry, computer, joint, lubricant, machinery, nuclear, patients, principles

The technician applied operating lubricant to the rusted machinery before attempting to restart it.

in, in, on

The hospital was operating on an emergency basis during the crisis.

completely, directly, properly

The new software wasn't operating properly, so we had to restart the entire system.