Rank these prosthetic and medical aid inventions by the year they were first patented or introduced, earliest first.
Assistive medical devices have transformed countless lives. But which of these familiar aids came first?
Put the options in the correct order. Drag the β Ώ icon to reorder.
1
The contact lens (glass scleral)2
The modern hearing aid (electronic)3
The cardiac pacemaker (implantable)4
The wheelchair (folding, tubular steel)Anoniem stemmen is mogelijk. Registreer voor een profiel en score.
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