In an article for Safety+Health, Lauretta Claussen pinpoints a whopping 25 different ways you can keep safe at the office—in areas as diverse as falls, ergonomics, vision problems, fire safety, and administrative controls. If you read the whole thing, you get free membership in OSHA (not really).
Among other things, she says to keep drawers shut and not to fully extend filing cabinets, because it can be uncomfortable to bang your knee on a drawer or have a tipped over cabinet crush your spine. Along similar lines, always keep the keyboard and mouse on the same level; having them at different elevations will wreck your neck and shoulders. And one more tip is to keep monitors around eye level and 20-26 inches away.
For the full listing of tips, you can view the original article here: http://www.safetyandhealthmagazine.com/articles/recognizing-hidden-dangers-25-steps-to-a-safer-office-2