Number One - Focus On Actions Not Personality Traits
When a construction worker is causing trouble you need to "have a little chat" and talk with them about the results of their actions. Focus on the position or project and the specific actions that are causing the problems. “You need to stop doing _____, and start doing _____” is more effective than playing the blame game or lecturing. “You're screwing _____ up” or “Why can't you get your work done right and on time?” puts the worker in a defensive mood and can lead to a boxing match without time to sell tickets and put up a beer garden.