Pain in her right hand was diagnosed as carpal tunnel syndrome and arthritis.

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"We've got two trains going into a tunnel, a moving ski-slope which was hand-built, a church and nativity scene, " said Ms Hales, who helps decorate her partner's parents' bungalow.

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Through research, you discover that this carpal tunnel is actually caused more by the ultrasound equipment than by the hand and wrist motions.

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