Vibration Safety Services UCL University College London Manifesting as tingling and numbness through to manual dexterity loss and dreaded Vibration White Finger (VWF) Hand Arm Vibration Syndrome (HAVS), both secondary forms of Raynaud's syndrome, where vibration induced spasming of small Vibration white finger Black and White Stock Photos & Images Alamy Hand Arm Vibration Syndrome Causes and Prevention NASP Digital gangrene due to hand arm vibration syndrome BMJ Case Reports The dangers of hand arm vibration syndrome