Doing so also helps them to amass extra confidence for dealing with more complex and important points relating to health and security at any office. The NEBOSH International Certificate is right for anyone who wants a refresher in the sector of health and safety. As an example, if you wish to be a supervisor, you may need been trained for ensuring health and security in workplaces but a formal coaching is what you require now to hurry up with the up-to-date laws and workplace insurance policies.