利用车辆进行养护作业时，应当在公路作业车辆上设置明显的作业标志。

Vehicles used in road maintenance should bear easy - to-see signs indicating that work of road maintenance is proceeding.

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艾马拉人是该地区人口最多的一个原住民群体。 今年是艾马拉人第5518次在冬至庆祝新年的到来，这标志着他们又开始了新一轮的农耕作业。

The Aymara people, one of the largest indigenous groups in the region, celebrated their new year number 5,518 on the winter solstice, which marked the start of the new agricultural cycle.

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人们用一些国际通用的标志来提示搬运装卸作业人员，比如，某些托盘装载的货物不可以受防热或者受冻，或者不可以使用钩钓等等。

A number of international markings are available to advise handlers that a certain crate must, for instance, be protected from heat or freezing or not handled with hooks.

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