Multiple MatchingExercise 9 of 68

The idea behind the first skateboard was to produce a means of surfing outside of water. In the 1950s, Californian surfers, unhappy at the unpredictable nature of the weather and waves for surfing, began attaching roller skate bases to the front and back ends of wooden boards. Although these constructions were…

• Which invention involved two members of the same family?
• Which invention was not invented in the United States (first)?