Clavicle fractures happen in three situations where stress is enough to break the bone: 1  a person suffers a blow to the shoulder. 2  someone falls onto an outstretched arm. 3  the clavicle is hit directly (as in a collision)
Dictionary entry overview: What does pail mean? â¢ PAIL (noun) The noun PAIL has 2 senses: 1. a roughly cylindrical vessel that is open at the top 2. the quantity contained in a pail Familiarity information: PAIL used as a noun is rare.
PA means âpublic addressâ and basically a PA is a system that is meant to provide a public (audience) with a constant quality of sound for a long period of time. Hence a PA system has some qualities that are different from common hi-fi-type equipment. We will cover the differences as we work through the guide. Usually a PA system consists of three parts: A sound source (for DJs this is your sound card or controller âlineâ output), an amplification system, and a speaker system.