Hand-arm vibration is a health issue caused by prolonged exposure to vibration, usually from vibrating equipment such as hand-held tools or hand-guided tools. Landscape tools which fit into this category include chainsaws, brush cutters, hedge trimmers, blowers and disc cutters. Using this equipment on a regular basis for several hours each day can cause damage to nerves, blood vessels and joints of the hand, wrist and arm. The damage is irreversible, and can result in tingling and numbness in the fingers, loss of dexterity and even loss of strength.
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