A marker’s view of NEBOSH GC3 To maximise your marks, check this list of Do’s and Don'ts. Observation sheets - Worth 30 marks. Do’s Don’ts Observe 25 – 30 hazards and write them down giving some explanation of the hazard. To maximise your marks find 30 hazards Don’t … [Read more...] about A Marker’s Perspective – NEBOSH GC3 – Practical Assessment