Arts & crafts

Arts & crafts

Arts & crafts comprises a multitude of activities and hobbies that involve making things with one's hands, usually from scratch. They can be sub-divided into 'handicrafts'( or traditional crafts ) that are fashioned in an old style using long practised techniques, and the rest which are more modern inventions that have become recent trends or fads.

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間接攻擊

Fire safety; Prevention & protection

滅火行動涉及的滅火劑應用，以減少熱量釋放從火中，而不應用直接上燃燒的燃料代理的積累。

直接攻擊

Fire safety; Prevention & protection

涉及的滅火劑直接上燃燒的燃料應用的滅火行動。

泡沫

Fire safety; Prevention & protection

這一標準的範圍內消防泡沫是密度的穩定聚集的展品覆蓋水準表面的韌性的水和油較低的小氣泡。空氣泡沫是混制空氣到水的解決方案，包含一種泡沫精礦，設計適當的設備的方法。它在燃燒的液體表面自由流動並形成強硬，空氣，不包括，連續的毯子，密封空氣，揮發性可燃蒸氣從訪問。抗拒風和草案或熱和火焰攻擊的中斷，並且能夠蓋印章機械破裂的情況下。消防泡沫較長時間內保留這些屬性。 ...