Quality of purified used motor oil /
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.
PHS TP 689.5 / .P37 2007
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.
PHS TP 689.5 / .P37 2007