Sentence examples for cease to be useful from inspiring English sources
The lowest temperature at which heat pumps cease to be useful is used to determine what portion of the seasonal heating can be supplied by heat pumps.
Across the region, the US in particular has been unrestrained in its meddling with Latin American governments, frequently installing or befriending tyrants that submit to its will and then denouncing them as soon as they cease to be useful.
"If you rate 95percentt of the issues the same, the ratings cease to be useful, and investors need and utilize these ratings to differentiate credits," said John Miller, chief investment officer at Nuveen Asset Management in Chicago, which manages about $65 billion in mostly tax-exempt bonds.
In current designs, the metal forms cease to be useful after the casting and setting of the slab, because of which, the durability of the form is of little consequence to the safety of these slabs.
Barrie added: "They're just fantastic animals, and once they cease to be useful, they can sometimes be tossed away like an old bicycles.
Differences in the behavior and life history of solitarious and gregarious locusts mean that memories acquired by solitary locusts may cease to be useful or may even be deleterious if they are maintained during and after gregarization.
