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.
Archaic people made sturdy axes from hard stone such as granite. They used these axes to chop down trees and shape the wood into dugout canoes and other useful forms. They also carved and polished pieces of a rock called slate making them into a variety of shapes.