The best definition of automation among the given options is Option 1: "The use of robotic equipment in a manufacturing process."
Automation refers to the use of technology to perform tasks that were previously done by humans. This can involve using robots, computers, or other machines to perform tasks such as assembly, packaging, and shipping.
So, Automation can be used to improve efficiency, reduce costs, and increase productivity as it does involves the use of machinery and robotic equipment to carry out tasks that were previously performed by humans, leading to increased efficiency and productivity.