This category includes both cleaning professions and security services. In both industries, employees often work outside of normal office hours, in the early morning or late at night. Cleaning professionals are required in both domestic and commercial settings, and must be responsible, reliable and trustworthy as entry to a property is often required to perform cleaning duties. Many cleaners work outside of normal office hours, early morning or late at night. Security Personnel are responsible for maintaining the security of people, buildings and their contents. Typical job roles include patrolling a specific area, monitoring a building via a CCTV system, maintaining security at an airport, event or car park, travelling with valuable goods or checking access cards and working with guard dogs. Security personal are expected to be able to react quick and responsibly to different circumstances. They must have excellent communication skills, both written (to write reports) and verbal.