It was hard to remain engaged and to try and be present each day if you're unable to do anything at all. pure - freed from extraneous components of any form; "pure air and water"; "pure gold"; "pure Principal colors"; "the violin's pure and Pretty track"; "pure tones"; "pure oxygen" https://biofuel-pellet-stove83715.anchor-blog.com/18746404/everything-about-biofuel-pune