Advanced Cardiac Life Support. A training course in resuscitation techniques for health care providers offered by the American Heart Association. See: life support for illus. ADVANCED CARDIAC LIFE SUPPORT: Mannequin used for training. advanced cardiac life support Abbreviation: ACLS. ADVANCED CARDIAC LIFE SUPPORT: Mannequin used for training. 1.
The best stones for making arrowheads include flint, chert, obsidian, jasper, quartzite and other stones that are somewhat brittle and have a fine-grained, uniform texture that is free of cracks, fissures, and fractures. Glass and porcelain can also be used. You can also tap the stone and listen to the pitch.
Shape a Rock Flake into an Arrowhead. 1  1. Select a suitable object. 2  2. Grind the edge of the flake to remove weak fragments. 3  3. Select a small shaping tool.  4. Sit and prepare to start 1  working. 5. Use the tool to shape an edge around the entire object.  6. Flake more material off both sides of the edge to create the desired shape.