Documents Formation Process Derived from aquatic organisms, mainly phytoplankton and zooplankton-lived...

Formation Process Derived from aquatic organisms, mainly phytoplankton and zooplankton-lived millions of years ago in shallow waters Buried through sedimentation (depositing…

Documents Hot Packs and Cold Packs

* Hot Packs and Cold Packs Common Medical “Over the Counter” products “Universals” use mechanical heat storage Put in freezer or microwave, then to injury Temporary…