Explain any three principles
- explain any three principles of solid waste management
- explain any three principles of design
- explain any three principles of sports training
- explain any three principles of biomechanics
- explain any three principles of scientific management
- explain any three principles of training in brief
- explain any three principles of decentralization
- explain any three principles of effective communication
- explain any three principles of directing
- explain any three principles of green chemistry
