If we look at an example put forth by The Boston Consulting Group in 2015, the average welder earnt around $25USD an hour (approximately $37AUD), whereas the equivalent operating costs of a robot to do the same job would’ve been more like $8USD an hour (approximately $12AUD).When shown using numbers, it’s a startling fact that robots and automated machinery have cheaper overall operating costs. They are also immune to human error – which is something that compromises the quality of a product on occasion. Robots and automated machines are also immune to harm, in a manner of speaking.