Tasks that require hard physical work and are done by humans are easy to replace.
Operators don't have to work in dangerous production environments with high temperatures, pollution, substances that make them sick, or radioactive materials.
The tasks that are hard for a normal person to do can be done easily. Some of these tasks are lifting big and heavy things, working with very small things, etc.
Production is always faster, and the product cost significantly less.
Several quality control checks can be integrated into the production process to provide consistency and uniformity.
The economy of the industry can be significantly improved, which has a direct impact on the standard of living.
Jobs being lost. Since machines do most of the work, there isn't much need for people to work by hand.
With the technology we have now, we can't automate all the tasks we want to. For example, it's best to put together products with odd shapes and sizes by hand.
It is possible to use automation for certain tasks, like making a lot of the same thing over and over.
The cost of setting up an automation system is very high at first.
A set of skilled personnel is always a requirement for maintenance and service