此前的策略是在凉爽的季节里，有控制地燃烧部分森林，以减少可燃物载量（fuel loads），由于市区民众纷纷抗议由此引起的烟雾，这个办法已经在许多城市被弃用。
Controlled burning in cooler months, to reduce fuel loads, was given up in many places after city people protested about smoke hazes.
潜在的可燃材料包括：家具，服装，皮棉，和部分建设。
Potential combustible materials include furniture, garments, lint, and portions of the building.
有可燃性粉尘场合用电气设备。第0部分：一般要求。
Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements.
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