Make sure you're never alone when discussing workplace conditions with management. At least discuss with your colleagues first. When you have two or more employees' interests on your side, your actions are protected from retaliation. I'm not a labor lawyer, and this is US only, but good to remember when you're pushing management's buttons and they threaten to fire you over it. https://en.m.wikipedia.org/wiki/Protected_concerted_activity
Make sure you're never alone when discussing workplace conditions with management. At least discuss with your colleagues first. When you have two or more employees' interests on your side, your actions are protected from retaliation. I'm not a labor lawyer, and this is US only, but good to remember when you're pushing management's buttons and they threaten to fire you over it.
https://en.m.wikipedia.org/wiki/Protected_concerted_activity