+ :title [drilling practice]
+ (p [strength check]
+ (itemize
+ (item [put on safety goggles])
+ (item [unplug drill])
+ (item [hold drill in one hand])
+ (item [point drill at the ground])
+ (item [point drill at the wall])))
+ (p [steps for drilling into wood block]
+ (itemize
+ (item [plug in the drill])
+ (item [place the drill bit in position])
+ (item [bring the drill up to full speed, and keep it at full
+ speed while lowering and raising the drill])
+ (item [push down until the drill bit has passed through an inch
+ of the wood block])
+ (item [keep the drill at full speed])
+ (item [stop before the drill smashes into the wood block])
+ (item [keep the drill at full speed by holding the trigger])
+ (item [bring the drill straight back up])
+ (item [hold the trigger down to keep the drill at full speed])
+ (item [once the drill is back out of the hole, let go of the
+ trigger])))
+ (p [check
+ ,(itemize
+ (item
+ [should the drill be at full speed while the drill bit is
+ going down into the wood and coming back up?])
+ (item
+ [how do you keep the drill at full speed?])
+ (item
+ [what would happen if the drill bit were not at full
+ speed?])
+ (item
+ [what would happen if the drill were twisted sideways while
+ the drill bit were in the wood?]))]))
+ (subsubsection
+ :title [drilling the first screw hole]
+ (itemize
+ (item [place the drill bit in position])
+ (item [bring the drill up to full speed, and keep it full speed])
+ (item [push down until the drill bit has passed through the
+ deck])
+ (item [keep the drill at full speed])
+ (item [stop before the drill smashes into the arduino])
+ (item [keep the drill at full speed by holding the trigger])
+ (item [bring the drill straight back up])
+ (item [hold the trigger down to keep the drill at full speed])
+ (item [once the drill is back out of the hole, let go of the
+ trigger]))
+ (p [check
+ ,(itemize
+ (item
+ [should the drill be at full speed while the drill bit is
+ going down into the wood and coming back up?])
+ (item
+ [what would happen if the drill bit were not at full
+ speed?])
+ (item
+ [how do you keep the drill at full speed?]))])))