Lactic Acid, Polyesters, Soil, Hot Temperature, Polymers, Industrial Waste, Hydrogen-Ion Concentration
life cycle assessment (LCA), Descriptive and experimental mechanics, light fitting, Microscopy, Technology, TK1-9971, Engineering (General). Civil engineering (General), TA1-2040, QC120-168.85, recycling, QH201-278.5, Electrical engineering. Electronics. Nuclear engineering