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Stay Alive - Emergency Signaling for Help eShort
John McCann
其他書名
Learn survival techniques & tips with emergency devices to help know where you a re
出版Penguin, 2012-09-01
主題Self-Help / Safety & Security / Survival & Emergency PreparednessSports & Recreation / Outdoor SkillsReference / Personal & Practical Guides
ISBN14402353849781440235382
URLhttp://books.google.com.hk/books?id=NhVjDwAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋In this excerpt from Stay Alive! Survival Skills You Need, John D. McCann tells you how to signal for help by using devices like mirrors, whistles, lasers and other signals.