Television(1925), Frozen food process (1925)Liquid fueled rocket (1926), Electric shaver (1928)
it was invented in the 70s when my mom was in her 20s
he invented when he was in his 20s to 30
he invented the time and motion study back in the 20s
code blue was invented
Sunglasses were invented around the late '20s but came into widespread use both military and civil during WWII
yes. I think so
A person in their 20s is commonly referred to as a young adult.
20s and 30s are sizes of rims (in inches).
20s is correct.
does justin bieber have a baby with a girl in her 20s or 30s
How many 20s makes $80
You are right. 20s are 20 inch diameter wheels.