While operating any machine in the mechanics laboratory make sure Select one: a. To ask the instructor for help b. To wear gloves c. All of these d. All guards and shields are in place

The correct answer is c. All of these.<br /><br />When operating any machine in the mechanics laboratory, it is important to follow all safety guidelines to ensure your safety and the safety of others. This includes asking the instructor for help if needed, wearing gloves to protect your hands, and making sure all guards and shields are in place to prevent any accidental injuries.