Shift work allows workers to do the same job at different times, such as early mornings, days, nights, weekends or holidays. Radio producers may work shifting schedules depending on the location. Actors and actresses sign fixed term contracts that specify the length of their work on a TV or film production. Production coordinators, who manage production offices, work regular office hours set by production managers. Freelance makeup and hair artists are hired by companies for individual productions. Gaffers, who work in the film industry, may have irregular work patterns with unpredictable hours due to zero hour contracts. Runners assisting with TV and film productions are typically paid hourly rates ranging from £6.50 to £10 per hour, though some work