It is a correct part of a sentence in written English.
You can use it for example when talking about someone who works in a factory or workshop, for example: "He has been operating machinery for three years in the factory."
They also have no sedative effects and thus are safe for patients to use when driving or operating machinery.
He pointed to the risks involved to youngsters if fans invaded the field, and that stadium staff could be operating machinery on the playing surface.
Although those youths would remain barred from operating machinery, many children's advocates oppose the proposal, saying some would inevitably get too close to dangerous saws.
This is done to enable Sabbath-observant Jews to cross the street without pushing a button and violating the ban on operating machinery.
The trainees are fearful of the implications of workers on this and future sites operating machinery they have not been trained for.
The Institute of Fiscal Studies has projected that a hard Brexit would leave workers in jobs on production lines or operating machinery at high risk of job cuts.
That is the reason progressive income taxes and estate taxes are always a necessary part of the operating machinery of prudent, solvent, and long-lived countries.
Eco-Fuel Africa's equipment has been designed to be easy to use and maintain, even by people who are not accustomed to operating machinery.
Condition monitoring systems are used for the detection of incipient failure and the diagnosis of the nature of faults in operating machinery.
Michael Micallef is kitted out in safety goggles and blue overalls, expertly operating machinery that wouldn't look out of place on the workshop floor of one of Europe's top manufacturers.
Armed with the exemption, Norwegian bought the two Project America ships -- one an incomplete hull, the second consisting only of plans, operating machinery and other equipment -- in a bankruptcy auction in January.
