Safety Glasses As a mechanical engineer on the team you will be working in the shop constantly. The shop is a dangerous place for your eyes so in order to preserve your vision use safety glasses. Particularly safety glasses with the code: ANSI Z87 There are two types of safety glasses Over-Prescription Safety Glasses - This is for people who already have prescription glasses who want to wear safety glasses over them. Safety Glasses - This is for people without prescription glasses. Make sure you do NOT bring black safety glasses to competition as FRC volunteers must be able to clearly see your eyes.