1) What is the purpose of a drill machine? a) To cut and shape metal b) To cook food c) To paint walls 2) Which type of drill bit is suitable for drilling through concrete? a) Wood drill bit b) Masonry drill bit c) Metal drill bit 3) What is the best way to hold a workpiece while drilling? a) With your hand b) Clamped securely to a workbench or vise c) Balanced on a nearby shelf

DRILLING MACHINE

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?