eyes

Wikidata

https://www.wikidata.org/wiki/Q7364

Explanatory chart for exercises to protect the eyes

Explanatory chart for exercises to protect the eyes (1973, June)

Pay attention to the signals ahead, absolutely guarantee the safety of moving trains

Pay attention to the signals ahead, absolutely guarantee the safety of moving trains (early 1980s)

Illustration of eye exercises

Illustration of eye exercises (early 1980s)

General knowledge about three types of attack educational wall charts

General knowledge about three types of attack educational wall charts (1983, June)

General knowledge about three types of attack educational wall charts

General knowledge about three types of attack educational wall charts (1983, June)

Children should pay attention to protecting their eyesight when watching TV

Children should pay attention to protecting their eyesight when watching TV (1985, March)

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