Cross-contamination occurs when gluten-free foods come into contact with foods that contain gluten. It can happen during the manufacturing process, for example, if the same equipment is used to make a variety of products. Some food labels include a may contain statement if cross-contamination is likely.
After getting a tattoo, swimming must be avoided until the skin has stopped peeling and all scabs have fallen off. For most people, this means waiting a minimum of two weeks.
I got my first tattoo today. I have to take a mandatory swimming class every other day for the next two weeks. I told my artist about it, he said it should be fine as long as I clean it afterwards and apply the ointment.