Municipal refuse. Solid wastes 17 Industrial and factory wastes 4 Malaysia 3 Agricultural wastes 2 Environmental protection 2 Flexure 2 Sanitary landfills 2 TD Environmental technology. Sanitary engineering 2 Water leakage. Water waste and its prevention 2 Animal industry waste Including blood, bone, fish-scrap, etc 1 Consumer behavior. Consumers' preferences. Consumer research. Including consumer profiling 1 Control of production systems 1 Cotton fabrics 1 Enviromental management 1 Environmental engineering of buildings. Sanitary engineering of buildings 1 Environmental pollution 1 Food service 1 HT Communities. Classes. Races 1 Impact strength 1 Industrial and factory sanitation 1 Industrial research. Research and development 1 Islam and culture 1 Laboratory manuals. Testing of soils. Measurements 1 Law enforcement 1 Metal manufactures. Metalworking 1 Particles 1 Petroleum waste 1 Portland cement 1 Process control 1 Quality control. Standards 1