Melepaskan diri dari belitan kabel, tehnologi gelombang radio, cra kerja hp selular, SIM subcriber Indentity module, generasi HP: G1-2G- 2,5G- 3G- 4G. Jenis trasmisi(FDMA,CDMA, GSM). Persaingan bisnis operator dll
Provides advice on suriving in hostile environments and includes tips on shelters, traps, weapons, tools, food-finding, signaling, first aid, and other life-saving topics.
Terdapat Index Anak judul: Learn the survival skills of the world's elite forces