| http://www.w3.org/ns/prov#value | - Timer 1294, 1298 can operate, for example, to turn off energy source 1270, 1295 at the end of a predetermined amount of time; to activate a signal, such as a light, a bell or a buzzer at the end of a predetermined amount of time; or to change the type or intensity of energy emitted by source 1270, 1295.
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