Among the early labor-saving devices adopted by the hotel industry are:
A) Automated elevators
B) Robotic vacuum cleaners
C) Telephone systems
D) Computerized record keeping
E) All of the above except B

Question

Quizplus · Accepted Answer

Automated elevators, telephone systems, and computerized record keeping were among the early labor-saving devices adopted by the hotel industry. Robotic vacuum cleaners, while a labor-saving technology, were not adopted early on in the industry's history.

Among the Early Labor-Saving Devices Adopted by the Hotel Industry