Q8. A proper pilot holo should matoh the __ size of the fastener you are installing in a Thread Shank Head Driver bit Q9. For clean holes when drilling wood, you should use Speed Setting . __ 1 2 high I low Both A and D Both B and C

## Step1<br />For question 8, we need to identify the part of a screw that matches the size of the fastener being installed. The options provided are Thread, Shank, Head, and Driver bit. The Shank is the part of the screw that is inserted into the material. It is the part that matches the size of the fastener being installed.<br /><br />## Step2<br />For question 9, we need to identify the correct speed setting for drilling wood to achieve clean holes. The options provided are 1, 2, high, low, Both A and D, and Both B and C. The correct speed setting for drilling wood to achieve clean holes is low. High speed can cause the wood to burn and create a messy hole.