Question | Answer |
question Where is Egypt? | Africa
|
question2 Who invented the ironing board? | Sarah Boone
| question3 Who invented the dust pan? | Lloyd R,. Ray
| question4 Who started the first blood bank? | Charles Drew
| question4 Who performed the first open heart surgery? | Dr.Daniel Hale Williams
| question5 Who invented the elevator? | Alexander Miles
| question6 Who invented the automatic gearshift? | Robert Spikes
| question7 Who invented the traffic light? | Garret Morgan
| question8 Who invented the clothes dryer? | George T Samon
| question9 Who invented the pencil sharpener? | John Love
| question10 Who invented the lawn mower? | John Burr
| question11 Who invented the refrigerator? | John Standard
| question12 Who invented air conditioning? | Frederick Jones
| question13 Who invented the fountain pen? | William m Purvis
| question14 Who invented the brush? | Lydia O Newman
| question15 Who invented the comb? | Walter Sammons
| question16 Who invented the potato chip | George Crum
| question17 Who invented the Super soaker water gun? | Lonnie Johnson
| question18 Who invented the cellular phone? | Henry Sampson
| question19 Who was the first man to die in the American Revolution? | Crispus Attucks
| question20 Who was instrumental in the invention of PC? | Dr., Mark Dean |