00531nam a22001097a 450000500170000000800410001704000100005808200220006824500280009026000460011852002570016420231103101647.0231023b        |||||||| |||| 00| 0 eng d  cGSLRC  a363.35 C4992 2012  aCivil defense [charts].  aQuezon City:bNational Book Store,c2012.  aThe National System of Civil Defense consists of organizations and professional people on a national level who are in charge of protection of a population from the nature damages and human actions.

1. Fire
2. Earthquakes
3. Traffic Accidents
4. Floods