Confined space entry is a hazardous task that requires proper training and preparation to ensure the safety of workers. This blog post will discuss five common mistakes made during confined space entry and how training can prevent them. Mistake #1: Not Assessing The Space  One of the most frequent mistakes made during confined space entry is not correctly assessing the space before entering. This includes failing to identify potential hazards, such as toxic gases or lack of oxygen, and not correctly setting up ventilation or other safety measures.