How to decorate the Christmas tree
Two students, Nicole Wrightman and Alex Craig of the Department of Social Mathematics at Sheffied University, UK, used computers to build mathematical formulas to decorate aPersonal decorations increase labor productivity
The health and productivity of people will increase significantly if we are decorated with a personal liking.Christmas tree care process
Every Christmas is close by, pine farms in Jefferson, North Carolina (USA) harvest thousands of Christmas trees distributed to the market.