Tamir Niv has designed a low-cost tool for digging survivors out from under the rubble of an earthquake or other disaster. His 5-in-1 MultiTool features a shovel, hammer, crowbar, lifting hook and wire cutters. Weighing 7kg it could be come as essential, in vulnerable regions, as a fire extinguisher.
http://israel21c.org/social-action-2/israeli-5-in-1-tool-for-rescuers-creates-design-buzz/