HORSE SHAVINGS NEAR ME FUNDAMENTALS EXPLAINED

  Early military planes employed Douglas fir of their design – biplanes, and tri-planes of WW I.Beams are Minimize from indigenous trees which contain pine, spruce and white and crimson fir and range between 4x4 to 16x16 and in lengths from eight - 32". Beams are utilized for ceiling and wall support, as window and doorway casements and for "len