- Tough and strong aero plane can be damaged by small soft bird.
- We hear echo in hills and valleys.
- If we apply oil to hands, we can peel the fried groundnuts easily.
- Water with salt and sugar is useful for treating dysentery.
- Fish can survive even under lakes covered by ice.
- Water becomes cool in earthen pot.
- Temperature of food in thermos flask remains constant.
- Food is preserved in Fridge.
- Plastic bags are harmful to environment.
- Organic fertilizers should used in place of chemical fertilizers.
- Whistling sound is heard in Bamboo cluster.
- Wires of guitar give better sound when tightened.
- Soda-bi-carb is useful in stomachache.
- Top sail of ship is seen first when approaching ship becomes visible.
- Pendulum was used in old clocks to keep time.
- Steel wires are placed in bottom portion while casting slab.
- It is difficult to pass string through needle hole if one eye is closed.
- While doing water color painting initially only water is applied to all paper.
- Pasted ticket can be removed easily if wetted by water.
- Fan blades are bent slightly.