I can take the role of an electrician, a carpenter, a pipe lifter or a driver. I may even carry you, and if I do, you might just call me a hero. You can count on me any time of the day. Who am I?

What starts with T, ends with T and is full of tea?

You are my sister but I am not your sister but somehow we are siblings. Who am I?

Sometimes you are so relieved to see me, and other times you run from me in fear. Sometimes I stop you and sometimes I let you go, but whenever you need me I am always a quick call away. Who am I?

The daughter of Maria is the mother of my daughter. Who am I to Maria?