The clay was taken from the furnace and set down upon a board, in the cool air, under the blue sky.

黏土从灶中取出，放在一块木板上面，让它在蓝天之下凉风之中去慢慢冷却。

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For maximum softness and ductility the cooling rate should be very slow, such as allowing the parts to cool down with the furnace.

为了得到最大柔软性和延展性冷却速率应该很慢，比如让零件与炉子一起冷下来。

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Cool various parts of the furnace and its auxiliaries.

冷却炉子的各个部分及其辅助设备。

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Mr Han does not believe that trade unionists should involve themselves in politics, but he criticises the government and its official trade union for treating any attempt to improve working conditions--asking for a cool-air fan in a furnace-shop, for instance, or setting up an evening school for women migrant workers--as potential subversion.

ECONOMIST: All critics have been silenced