take this list of wwe wrestling arena areas and the personal that works in them and create one comma delineated list of all the workers without duplicates. The list is as follows: 1. Ring - (wrestlers, announcer, ring announcer, referee, timekeeper, ring crew)

7. Timekeeper’s table - (timekeeper, scorekeeper, timekeeper’s assistant)

8. Referee’s table - (referee, assistant referee)

10. Sound system - (sound engineer, audio technician, DJ)

11. LED board - (operator)

12. Pyrotechnics area - (pyrotechnician, safety personnel)

13. Lighting system - (lighting designer, lighting technician)

14. Smoke machine - (operator)

16. Special effects area - (special effects designer, technician)

17. Video wall - (operator)

18. Camera area - (camera crew, director, producer)

19. Camera operators - (camera operator)

20. Camera crane - (camera crane operator)

21. Camera dolly - (dolly grip)

23. Audio mixing console - (audio engineer)

24. Audio equipment - (audio technician)

26. Commentator’s booth - (commentators)

27. Commentator’s table - (commentators)

35. Guardrails - (security personnel)

37. Fan barriers - (security personnel)

36. Stanchions - (security personnel)

39. Titantron - (operator)

41. Jumbotron - (operator)

42. LED entrance - (operator)

43. Main entrance - (security personnel, ushers)

44. Box office - (ticket sellers)

45. Lobby - (ushers, concession workers)

46. Concessions - (concession workers)

47. Merchandise stands - (merchandise sellers)

48. Restrooms - (attendants)

49. Hallways - (ushers, security personnel)

50. Staircase - (ushers, security personnel)

51. Elevator - (elevator operators, security personnel)

52. Security checkpoint - (security personnel, metal detector attendant)

53. Ticket scanner - (ticket scanner attendant)

54. VIP entrance - (security personnel, VIP coordinator)

55. VIP area - (VIP coordinator, VIP host, bartender, waitstaff)

56. Media area - (media coordinator, reporters, photographers)

57. Press conference area - (officials, reporters, photographers)

58. Green room - (talent coordinator)

59. Catering area - (catering staff)

60. Staff room - (staff coordinator)

61. Break room - (staff)

62. Medical area - (medical personnel)

65. Waiting room - (talent coordinator)

64. First-aid station - (medical personnel)

63. Physical therapy room - (physical therapist)

66. Championship belt display - (display coordinator)

67. Hall of fame display - (display coordinator)

68. Trophy display - (display coordinator)

69. Wall of fame - (display coordinator)

70. Wall of shame - (display coordinator)

72. Locker room - (wrestlers, coaches, trainers)

73. Dressing room - (talent)

74. Shower room - (talent)

75. Makeup room - (makeup artist)

76. Hair-styling room - (hair stylist)

78. Wardrobe area - (wardrobe)

82. Props room - (prop master)

83. Stage props - (prop master)

84. Entrance ramp - (ring crew)

85. Emergency exits - (security personnel)

87. Fire extinguishers - (safety personnel)

88. Fire alarms - (safety personnel)

91. Loading dock - (loading dock coordinator, delivery personnel)

99. Service elevator - (elevator operators)

100. Maintenance room - (maintenance personnel)

101. Janitor’s closet - (janitor)

103. Recycling station - (janitor)

104. Trash bins - (janitor)

105. Dumpster area - (trash collector)

106. Electrical room - (electrical engineer)

107. Fuse box - (electrical engineer)

108. Circuit breaker - (electrical engineer)

110. Air conditioning - (HVAC technician)

118. Rest area - (staff)

123. Studio - (studio crew)

124. Control room - (director, producer, technical director)

126. Audio mixing room - (audio engineer)

125. Video editing suite - (video editor)

128. Master control room - (master control operator)

138. Conference room - (conference coordinator)

139. Boardroom - (executive personnel)

140. Executive suite - (executive personnel)

149. Sunroof - (sunroof opener)

152. Dimmer lights - (lighting technician)

153. Floodlights - (lighting technician)