Can someone help me make a introduction about the pros of having technology?

Technology is a part of an everyday lifestyle, and can help you in many ways. It can do and help you in ways that other things can not do.

Explanation:

You can add on from what other people think, I'm all out of ideas:)

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).