What are three key points this article makes on etiquette on set.

When it comes to set etiquette, it's important to be respectful, responsible, and reliable. When talking to superiors, always be polite and considerate. Always be aware of your surroundings and if you're not sure whether or not your allowed to do something, always ask. Also, making sure that your superiors have everything they need leaves a good impression and gives you a better chance at being rehired. It's also important to be responsible for your duties and to always keep yourself busy, because there is always tasks to complete on set. While fulfilling your duties, make sure that you're doing them as safely as possible and that you communicate it to your superiors. It is important to do things correctly and efficiently because it shows others that you're reliable.