There are some great things you can do while at work, but there's a list of things we shouldn't do. We know a few people who do these.
1. Complain too much
2. Volunteer all the time. It's good to go above and beyond, but you might spread yourself thin if you're constantly volunteering.
3. Talking about politics
4. Dressing inappropriately
5. Coming in while your sick contagious
6. Spend too much time on social media
7. Spread rumors
8. Steal your co-workers food