Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to stay safe in a science lab [title] Wear appropriate clothing. [step] Before going to lab, make sure that you are dressed appropriately. Wear long pants and closed toe shoes.

Ending1: Nothing too revealing, or you could get caught. [title] Bring your cell phone (if you can't go to the geology lab without phone's). Ending2: Make sure your socks are not overly long, as they do not allow for proper ventilation and do not extend past your heart. At all times, keep your hair out of your face so the lab is not able to monitor your body through the microscope. Ending3: Expose your neck, side of your hand, shoulders, knees, feet, and torso, with your hands resting comfortably on your sides and your knees bent. If you are walking or cycling, put your gloves on. Ending4: Avoid wearing clothing that hangs loosely around your body. [substeps] Avoid wearing anything that is a fire hazard such as synthetic materials or hairspray.

Answer format: ending1/ending2/ending3/ending4