It is hard to determine when the pan flute was invented. It is one of the earliest and most primitive instruments ever recorded. Only percussion instruments preceded it. Archa â¦ eological excavations have found Viking records and pictures displaying panpipes dating from the 10th century.
As for application to traditional labor environments, Professor Carol Daugherty developed in 1966 a seven-part âjust causeâ analysis. The seven factors are the following: The employee knew of the companyâs policy.
Component cause: An individual event, condition, or characteristic required by a given sufficient cause.  Necessary cause: A component cause present in every sufficient cause.  Often there are many sufficient causes, which may produce a given effect.