machinery

Belt pullies close to the ground must be protected with railings

Belt pullies close to the ground must be protected with railings (1953, May)

Axles located in thoroughfares must have a safety bridge

Axles located in thoroughfares must have a safety bridge (1953, May)

Low-placed axles must have a protective cover

Low-placed axles must have a protective cover (1953, May)

Sturdy safety covers must be placed around belt pullies

Sturdy safety covers must be placed around belt pullies (1953, May)

Gears on top of machinery must be covered

Gears on top of machinery must be covered (1953, May)

Please use implements when cleaning up iron shavings to avoid wounding people

Please use implements when cleaning up iron shavings to avoid wounding people (1953, May)

Use a protective cover when grinding wheels

Use a protective cover when grinding wheels (1953, May)

Machinery producing industry forms the heart of heavy industry

Machinery producing industry forms the heart of heavy industry (1956, February)

General Line propaganda poster 2

General Line propaganda poster 2 (1958, July)

Emulate intelligence, go in for a technological and cultural revolution!

Emulate intelligence, go in for a technological and cultural revolution! (1958,August)

Support the "Four Modernizations" in agriculture

Support the "Four Modernizations" in agriculture (1959, December)

Mechanics must pay attention to safe work -- safe production wall chart 2

Mechanics must pay attention to safe work -- safe production wall chart 2 (1964, December)

Unsafe parts of machinery must have protective covers -- safe production wall chart 10

Unsafe parts of machinery must have protective covers -- safe production wall chart 10 (1964, December)

Our innovation is successful

Our innovation is successful (1965, August)

Study Comrade Mai Xiande's unyielding proletarian spirit

Study Comrade Mai Xiande's unyielding proletarian spirit (1966, March)

Electricity consumption of machinery must avoid peaks, increase the load capacity of the electricity grid

Electricity consumption of machinery must avoid peaks, increase the load capacity of the electricity grid (early 1970s)

Create powerful Marxist theoretical troops in the midst of battle

Create powerful Marxist theoretical troops in the midst of battle (1975, April)

Technological innovation makes red flowers blossom

Technological innovation makes red flowers blossom (1975, October)

The Lei Feng spirit will always carry on

The Lei Feng spirit will always carry on (1977, June)

Planned parenthood is good

Planned parenthood is good (1979, October)

Careful with the "tiger mouth"

Careful with the "tiger mouth" (1981, April)

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