Describe the process of sharpening a charcoal pencil using a sanding block.
Answer using 2 to 3 complete sentences.

So my science teacher said anything that makes noise can in a way make music, instruments make music, and mayonnaise makes sound. so i have a question, do not report. is mayonnaise a instrument?

Two-door coupe, hoppin' out like jack-in-the-box, i'm gon' shoot if this 30's all that i got, y'all on mute, ain't no back-talk on my block, numb numb juice to the head, fok up the opps, two-door coupe, hoppin' out like jack-in-the-box, i'm gon' shoot if this 30's all that i got, y'all on mute, ain't no back-talk on my block, numb numb juice to the head, fok up the opps,

How did ferren learn about engineering, if not in school? how might this have been similar to how the ancient cultures learned engineering?