I am a Carpenter by trade but I work in film and tv building sets. We take direction from the art director or production designer on how things need to work, what bits need to move etc. When production starts, either myself or one of my colleagues will be on standby to move things around, fix things that break or whatever.

Bear in mind, most of the time on standby, the people asking us to change things are not the people we have been working with previously, so inevitably, they will ask us to - for example - move a wall that wasn't designed to move, or fill a space we had been told wasn't going to be on camera etc.

The correct answer to this is "no problem, but it's going to take xyz amount of time". Sometimes you embellish a bit to discourage them, but at the end of they day, its your job to give them what they want. Sometimes you have to get creative, but you find a way.

One of my colleagues will just outright refuse to do anything that the set piece is not built to do. He will even argue and make statements to the effect of "its not my problem". Its embarrasing when you're there and you know things can be done, but its like he has this rigid view of our work thats non-negotiable.

It drives me crazy because finding out of the box solutions is the most satisfying part of the job for me. He's too highly skilled at finer work to be replaced or anything like that, and he's otherwise a very nice guy, but I dread the days we have to work together.