To maintain a good work relationships, you need to.focus on:
* understanding your tasks and duties and to respect other's too.
* your reviews, suggesrions and even criticism shall be presented as professional as possiple in order not to cause a persanal implecations.
* socialize with your work mates without interfering with their privacies.
* some co worker might hate you, avoid them and don't give them attention as long you do your job properly.