The phrase "and operation by a" is grammatically correct and can be used in written English.
It can be used in contexts where you are describing a process or action that involves operation by a specific entity or individual.
Example: "The project requires careful planning and operation by a skilled team to ensure success."
Alternatives: "and management by a" or "and execution by a".
MacArthur was not inflexible, however, and allowed Krueger to alter the staging areas, and postpone the operation by a month.
The 25-year-old seamer has suffered long-standing pain in his right knee and underwent an operation by a Swedish surgeon on Wednesday afternoon.
Finally, patients will be randomised and scheduled for operation by a secretary not involved in the trial.> Baseline measurement, randomisation, THR operation and follow-up will take place at OUH, Odense.
A study was carried out at Central Institute of Agricultural Engineering, Bhopal, India to measure heart rate and oxygen consumption rate of six male operators during rotatilling and rotapuddling operations by a 6·7 kW rotary power tiller.
They decided the effort, called Trending Topics and until then a pilot operation by a dozen or so staff members, should be doubled to more than 30 people.
In this work we evaluate the effect of weather and cooling towers location on its size and monthly operation by developing a multiperiod optimization formulation aiming at minimum water consumption.
He knew that the aft airstair could be lowered during flight a fact never disclosed to civilian flight crews, since there was no situation on a passenger flight that would make it necessary and that its operation, by a single switch in the rear of the cabin, could not be overridden from the cockpit.
The plant will be completed by January and will begin operation by March, a Northrop spokeswoman, Cynthia Curiel, said in a telephone interview.
Note that the indication for hospitalization and operation is set by a supervising surgeon and is, therefore, independent of the treatment group.
A new method of storing LNG Liquefied Natural Gass) in a lined, hard rock cavern has been developed and verified by the construction and operation of a pilot plant in Korea.
