00668nam a2200193 a 4500 0 20250328152419.0 071126s19uu xx 00 eng d PHS TP 689.5 .P37 2007 Par, Argyll Caezar O. Quality of purified used motor oil / Argyll Caizar O. Par. Las Piñas City, Philippines : Southville International School and Colleges, 2007. 23 pages : illustrations ; 28 cm. Includes bibliographical references. Used oils Purification. Motor oils Recycling. Waste oils Environmental aspects. lcc PASS 97869 97869 0 0 lcc 0 LUX LUX PASS 2007-11-26 DONATION 0 PHS TP 689.5 .P37 2007 P1954 2014-04-08 00:00:00 2014-04-08 PASS