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.
The shaft is the primary structural element of the arrow, to which the other components are attached. Traditional arrow shafts are made from lightweight wood, bamboo or reeds, while modern shafts may be made from aluminium, carbon fibre reinforced plastic, or a combination of materials.