i have a presentation about "hasse diagram" in next Friday .My teacher told that i have to present one of applocations of "hasse diagram". Now i don't know any applications of it. I only know hasse diagram uses in order relation.

Can someone tell me more applications of hasse diagram , of tell me some respects of hasse diagram for me to write the lecture .

p/s : if you can, pls upload for me some documents