the following questions. 2.1. Explain the key features of plans and specification in construction work in 50-100 words. 2.2. Explain the purpose of the following plans and specifications in 40-80 words each. a) Site Plan b) Floor Plan c) Cross Section d) Elevation 2.3. Discuss the correct disposal methods of water-based, latex-based and solvent-based paints. Write your answer in 100-130 words 2.4. How can waste management promote environmental sustainability? What is the most environmentally friendly system of waste management? Write your answer in 50-70 words. 2.5. What are solid waste and sludge disposal techniques as per Australian legislations? Write the environmental protection act and local council legislations for disposal of solid waste in 100-150 words