During the decline of the harappan civilization, which group came to power in the indus valley

Do stairs go up or down? do stuttering people stutter when they’re thinking to themselves? do they bury people with their braces on? do they have the word “dictionary” in the dictionary? do you yawn in your sleep? do your eyes change color when you die? how can something be “new” and “improved”? if it’s new, what was it improving on? how come only your fingers and toes get wrinkly in the shower and nothing else does? how come you never see a billboard being put up by the highway? how do you handcuff a one-armed man? how far east can you

Guess what ya'll tmr is my birthday i finna be 15 lets ! and if sum person wanna report me because i'm happy then (f.uuu.c.k) outta here cuz you just a b.ii.t.c.h.)

Working to improve the working conduit a factory is an example of