How to use a line marking machine to paint lines: An in-depth, step-by-step guide on how to use a line marking machine to paint straight lines in a car park. In this video, you will learn how to setup the machine, looking at the nozzle, tip, trigger, guard and more. You can also see the machine in action, marking lines using a single-pack, epoxy line marking paint. Promain's technical support team are always on hand to help. For all line marking questions or for a product specification, please take the time to call us on: 01462 421 333.