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46. Which of the following are tasks that the director of security must perform? A. develop security policies B. implement safety policies C. training D. all the above OD OB OC O A47. Which department is responsible for preventive maintenance? A. engineering B. front office C. housekeeping D. security OB OD OC OA48. Which department in a hotel is responsible for maintaining the swimming pool and recreational equipment? A. engineering B. housekeeping C. security D. concierge OB OA OC OD49. What are the three forms of ownership structure used in the hospitality ind ustrv? A. parnership. franchise. sole proprietorship B. corporation. partnership. chain C. corporation. partnership. sole proprietorship D. franchise. chain. sole pro prietorship SCI. A franchise is a unit of a chain that has a different: A. manager 3. owner C partner D. director