stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Booming Business of the 1920s Flashcards | StudBud
Booming Business of the 1920s
1 / 15
What innovation did Hoover introduce in vacuum cleaners?
A
Wireless vacuum cleaners
B
A positive agitation system
C
Self-cleaning technology
D
Voice control
Next
0
0
correct · 0:00
