608.7 Inventions 610 Medicine And Health 611 Human Anatomy 612 Human Physiology 613 Personal Health 613.2 Dietics 613.7 Physical Fitness 615.3 Medicinal Plants 616 Diseases 616.02 First Aid 620 Engineering 621.3 Electrical Engineering 621.38 Communication Technology 625 Railroads And Roads Engineering 629 Transportation Engineering 629.4 Astronautics 629.8 Robotics 630 Agriculture 636 Animal Husbandry 639 Fisheries 640 Home And Family Management 641.5 Cooking 649 Child Care 650 Business Management 657 Accountancy 657 Accountancy Question Banks 657 Accountancy Refreshers 657 Accountancy Study Materials 657 Accountancy Textbook 657 Teachers Manual 658 Commerce 658 Business Studies Question Banks 658 Business Studies Refreshers 658 Business Studies Textbooks 658 General Management 658.3 Personnel Management 658.4 Executive Management 658.8 Marketing Management 659.1 Advertising Management 660.6 Biotechnology 664 Food Technology 665.8 Fuel Technology 667 Colour Technology 668 Cleaning Technology 668.4 Plastics 668.9 Polymers 676 Paper Technology 681 Instruments 690 Construction Technology