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.
Arrows are items added in Update 0.3.3. They are used as ammunition for the secondary weapon, the bow. Arrows can be crafted by the player using a crafting table.They can also be dropped by Skeletons, along with Bones. Due to the fact that arrows are also dropped by Skeletons, some players prefer to save the crafting ingredients and kill or farm skeletons instead. 2  When shot from a bow, they have significant knockback as well. 3  Shot Arrows do not affect Endermen, as they would teleport away right before the arrow touches them.