Which of the following is true regarding the safe use of abrasive wheel tools
a. Always use the appropriate personal protective equipment (PPE) such as gloves and safety glasses.

b. Inspect the abrasive wheel for any cracks or damage before use and replace if necessary.

c. Ensure the workpiece is securely clamped or held to prevent it from shifting or flying out during use.

d. Do not use a damaged or worn abrasive wheel, as this can lead to sudden failure and potential injury.