Assertion: flashlight | /r/ObjectUse | used with a 15-lumen level brightness
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Source sentences:
text: When used with a 15-lumen level brightness, the torch can be utilized for general work at short distances for as long as 46 hours while the 500 lumen of focused light qualifies this torch as a pocket-sized searchlight, which can be used for as long as 1.5 hours.