short answer: lpg lubrication or valve saving is a way of lowering the wearing of valve seats in an engine. this can happen faster in a lpg converted engine because it encounters higher temperatures. long answer: valve wear lead as a lubricant hardened valve seats valve saver kits subscribe and be informed...
of animal bone provide evidence of sewn leather and fur garments from at least years ago. when settled neolithic cultures discovered the advantages of woven fibres over animal hides, the making of cloth, drawing on basketry techniques, emerged as one of humankind's fundamental technologies. cro-magnon...