Read the following conversation and answer the following questions
Ravi : Could you please tell us the safety measures to practice at home, grandpa?
Grandpa : Sure. We should learn to put things back in their respective places after using them. We should not play with knives, scissors etc.
Ravi : I believe you are getting a call, grandpa. Here is your mobile phone.
Grandpa : Thank you, Ravi. I think it is my old friend, Raghu.
Madam : Wow! A nice phone.
Ravi : Yes, it’s a latest one too. Grandpa bought it last week in Chennai.
Prasanth : I heard it works like a super computer.
Ravi : Yes, of course. It is very useful for my projects too.
Grandpa : These mobile phones are very useful but we should use it with care. You should use it in the presence of adults.
Prasanth : Tell us about the safety measures while using the internet, grandpa.
Grandpa : Make yourself cyber safe by not posting your personal information, photos, vacation plans in the social media.
Grandpa : From fertilizers to antifreeze, medicine to makeup set and poisonous items to be kept away from the children in our homes.
Grandpa : Could I have your views on using the medicines effectively?
Ravi : I think we should store all medicines out of sight and reach of children.
Grandpa : Good. Medicines should be kept in locked cabinet.
Jaffer : I also think pills and syrups, should be kept in their original containers and the left over pills should always be counted.
Grandpa : That’s nice idea.
Ravi : I get it. Medicines should be stored in their original containers and we should keep a count to avoid misuse.
Grandpa : Hazardous automotive and gardening products should be secured and kept locked.
Devi : A first aid kit is a must in every household which should also have an emergency instruction inside it.
Grandpa : It’s nice to see kids coming up with wonderful ideas.
Children : Thank you grandpa for your guidance. We shall follow your advice and together protect ourselves from dangers.
Grandpa : It’s getting late. We can talk more tomorrow. Take care children!
Grandpa got a call from _________ .