Machining grooves into the surface of pine and fir (Abies spp. ) deckboards reduces undesirable checking that develops when “profiled” boards are exposed to the weather. We aim to develop improved profiles for Douglas fir. western hemlock and white spruce decking to reduce their susceptibility to checking. https://fvdoez9a6prw.dsiblogger.com/67920911/the-potential-of-video-in-patient-education-post-skin-biopsies