Pipe (instrument) Pipe (instrument) A pipe is a tubular wind instrument in general, or various specific wind instruments. The word is an onomatopoeia, and comes from the tone which can resemble that of a bird chirping. Fipple flutes are found in many cultures around the world. Often with six holes, the shepherd's pipe is a common pastoral image. Shepherds often piped both to soothe the sheep and to amuse themselves. Modern manufactured six-hole folk pipes are referred to as pennywhistle or tin whistle. The recorder is a form of pipe, often used as a rudimentary instructional musical instrument at schools, but so
Structural holes the ways to improve supply chain management, which were then evaluated by judges. The findings of this empirical study: Structural holes Structural holes is a concept from social network research, originally developed by Ronald Stuart Burt. The study of structural holes spans the fields of sociology, economics, and computer science. Burt introduced this concept in an attempt to explain the origin of differences in social capital. Burt’s theory suggests that individuals hold certain positional advantages/disadvantages from how they are embedded in neighborhoods or other social structures. A structural hole is understood as a gap between two individuals who have complementary