not just through his writings, but his constant nuggets of advise, they are like a carpenter’s varnish. your engineer will send you all of the files of your various takes, and you (and possibly your teacher) will listen to them, take notes, and decide which one(s) are the “keepers”. you can post any and all of your questions there by using the link below. these beetles are most easily taken care of by getting rid of the infested material. this means that the piston has to go up and down a total of four times to complete a cycle. 