The phrase "a device to save" is correct and usable in written English.
It can be used when referring to a tool or mechanism designed for the purpose of saving something, such as time, money, or resources.
Example: "The new software acts as a device to save time during the data entry process."
Alternatives: "a tool for saving" or "a mechanism to conserve".
"When all attempts to negotiate with the suspect, Micah Johnson, failed under the exchange of gunfire, the department utilized the mechanical tactical robot, as a last resort, to deliver an explosion device to save the lives of officers and citizens," the police statement said.
Clicking the lock shaft is also required to trigger an unlock with your Bluetooth device so that it knows to start scanning for a nearby connected device (to save on draining battery by constant checking).
Dr. Cooley said that use of the device to save a patient's life, even experimentally, did not violate the grant contract.
It is therefore common for a node to occasionally turn off the networking device to save energy.
"A family should have a good house, have sufficient land if one is a farmer, and have a modest level of labor-saving devices to save precious time used up by excessive physical work," explains Karma Ura, a leading public intellectual and artist who serves both as adviser to the king at home and as a G.N.H. ambassador abroad.
Parents would no longer be able to use so-called Clifford Trusts and other such tax-saving devices to save for a college education.
According to Interhome, in some villas in Spain, bots can detect electrical surges and other irregularities indicating utility problems, send an instruction to devices to save and shut down.
Citing a recent Supreme Court decision---decided exactly one year ago today---that grants almost total lawsuit immunity to the manufacturers of dangerous medical devices, the judge declared that he was powerless to help the many people electrocuted by a device intended to save their lives.
It's always particularly troubling when a device designed to save lives is taking them.
