paper

Wikidata

https://www.wikidata.org/wiki/Q11472

Economize on paper for the revolution, collect and re-use old paper boxes

Economize on paper for the revolution, collect and re-use old paper boxes (mid 1960s)

Never give up the struggle

Never give up the struggle (1973, April)

Effects of energy saving are good

Effects of energy saving are good (1981)

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