Inventions When were bar code scanners invented? 1970s 1940s 1960s 1950s 1970s 1940s 1960s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions What plaything was invented by Joe McVicker in 1956? Silly Putty Play-Doh Etch-A-Sketch Lite-Brite Silly Putty Play-Doh Etch-A-Sketch Lite-Brite ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented the Seed Drill? Jethro Tull Woodie Guthrie Arlo Guthrie Thomas Hines Jethro Tull Woodie Guthrie Arlo Guthrie Thomas Hines ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Heater Electric Shaver Electric Fence Electric Drill Electric Heater Electric Shaver Electric Fence ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Diving bell Rotary steam engine Hot air balloon Steam boat Diving bell Rotary steam engine Hot air balloon Steam boat ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Sonar Radar Jet propulsion Ethyl gasoline Sonar Radar Jet propulsion Ethyl gasoline ANSWER DOWNLOAD EXAMIANS APP
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