He started growing stools as a more practical way of saving energy, with trees being trained into shape as they grow, they don't need as much energy to produce as the whole process of growing trees to then be cut down and turn into furniture.
He started growing stools as a more practical way of saving energy, they don't need as much energy. This is with trees. This was to produce as the whole process of growing trees to then be cut down and turn into furniture. These trees are being trained into shape. They grow.