Cuts circles from 1 7/8'' to 8 1/2''. Innovative, ratchet mechanism is efficient and easy to use No more dragging the blade through bunched fabric or dealing with time consumi.
This means that smoke emitted from the incense will set off a smoke alarm when in range of the detector.
Smoke detectors alert people to fires. Smoke from the fire is detected by the device, which then gives off an alarm. One type of smoke detector uses americium-241, a source of alpha radiation, to detect smoke. The diagram shows how it looks inside.The alpha radiation ionises the air particles inside the smoke detector.moke detectors alert people to fires. Smoke from the fire is detected by the device, which then gives off an alarm. One type of smoke detector uses americium-241, a source of alpha radiation, to detect smoke. The diagram shows how it looks inside.