The Burning Bush is only a brushwood fire if it is merely perceived by the sensory organs.

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Removing small trees and brushwood from a forest requires heavy machinery or large teams of workers with chainsaws and axes.

ECONOMIST: The fires return

Mr Harfield, now 18, was feeding brushwood into a mobile chipper when he put his right foot into the chute to speed up the flow.

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Many health professionals don't use the monitoring system anyway, Brushwood said.

CNN: How physicians try to prevent 'doctor shopping'

But these monitoring programs have limitations, Brushwood said.

CNN: How physicians try to prevent 'doctor shopping'

Doctor shopping is a problem, but it's not the chief way prescription drugs end up with people for whom they're not intended, said David Brushwood, professor of pharmaceutical outcomes and policy at the University of Florida in Gainesville.

CNN: How physicians try to prevent 'doctor shopping'