Steps taken for conservation of energy resources include: (choose and write any four)
i. Switch off electrical appliances when not required.
ii. Use energy-efficient electrical appliances such as CFL.
iii. Use stairs to climb at least up to 3-4 floors of a building instead of using a lift.
iv. Use pressure cookers or solar cookers for cooking food.
v. Use of biogas as domestic fuel should be encouraged.
vi. Bicycles should be used instead of cars and scooters to travel short distances.
vii. Fuel-efficient engines of motor vehicles should be designed to reduce consumption of petrol and diesel.