A totally enclosed tank in a hazardous area which needs inspecting, cleaning or repairing is never going to win a workplace of the month award. You need good portable lighting just to see where you’re going, let alone carry out the task.
If you’re working in a team there will be floodlights in use in different locations within the tank and the last thing you want is to be dazzled by the glare of your own light or those of your colleagues.











