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.

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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.

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But these monitoring programs have limitations, Brushwood said.

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