Copper: Copper is a trace element that is essential for most animals, including humans. It is needed to absorb and utilize iron. The influence of copper upon health is due to the fact that it is part of enzymes, which are proteins that help biochemical reactions occur in all cells.
To facilitate the inspection, employers shall do all of the following: (1) maintain a copy of each employee's personnel records for a period of not less than three years after termination of employment, (2) make a current employee's personnel records available for inspection, and if requested by the employee or representative, provide a copy at the ...
How long to keep records. You must normally keep records for at least 6 years from the end of the last company financial year they relate to. You may need to keep records longer if: 1  they show a transaction that covers more than one of the companyâs accounting periods.2  the company has bought something that it expects to last more than 6 years, like equipment or machinery.3  you sent your Company Tax Return late.ou may need to keep records longer if: 1  they show a transaction that covers more than one of the companyâs accounting periods. 2  the company has bought something that it expects to last more than 6 years, like equipment or machinery. 3  you sent your Company Tax Return late.