To enter Homa Catering, it is mandatory to wear a hat and white gowns. Employees are required to change their gowns four times, if necessary. Catering is associated with personal hygiene and food safety principles. So that the employees have to shower twice every day to enter the workplace. There is also a barbershop for facial correction. Warning signs have been installed in the entrance corridors of this building to remind employees of safety and standard tips. The basis of work in all reviews about employees and food is the international standard Hazard Analysis and Critical Control Points (HACCP).