Machines are helping people to make lesser mistakes. Robots or machines are working accurately and you just need to program them with proper information. Like in production of any automotive most of manufacturing companies are using automatic machines which follow instruction of computer or that person who is operating the machine. And all work gets done perfectly.
Technologies are saving our time, for an example you can flew anywhere in the world in lesser time. With computer you can do any work in lesser time and also it help to enhance quality and provide suggestions. Machines are helping people in kitchen too - like Oven and these are also saving time.