These are insulating buffers on handles and engine mounts that protect the operator from excessive vibration that may not just bring about fatigue, and also to 'white finger disease'.
Before making use of your hedge trimmer ensure that the lock feature influences "lock" position knowning that the blade guard is firmly set up to safeguard your hands contrary to the blade. If we talk about one that in concert with human energy, it does not require any fuel.
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