1. It is less cluttered and it makes it easy for the worker to get all his items(should he need them) and be able to work comfortably without muscle numbness and tiredness.
2.That everything should be kept as neat and as tidy as possible. And also there should be furniture that helps keep the worker comfortable and free to move.
3. It is easier to work in a neat place as it is pleasing to the eyes, and the right furniture can also prevent back or wrist pain from prolonged periods of sitting down.