Low voltage/communication electrical work. install telephone. specific location: 16th floor.
Low voltage/communication electrical work. install telephone. specific location: ll1, 1st, 2nd and 3rd.
Low voltage/communication electrical work. install security. specific location: 6th floor.
Low voltage/communication electrical work. install telephone. specific location: 6th floor.
Low voltage/communication electrical work. install telephone. specific location: 5th floor.
Low voltage/communication electrical work. install telephone. specific location: 1st floor.
Low voltage/communication electrical work. install telephone. specific location: 12th floor.
Low voltage/communication electrical work. install telephone. specific location: 36th & 37th floor.