Subject: trebam materijal za seminar

motorna ulja...guglam li guglam ali samo mi neke gluposti izbacuje...ili ako znate neku korisnu stranicu sa seminarima...

http://www.trustmymechanic.com/motor-oil-bible.pdf#search=%22motor%20oil%20pdf%22

http://josip.purger.com/automotive/oil/index.htm

http://www.calsci.com/motorcycleinfo/Oils1.html

hvala :)