Bucket of wet rocks dumped onto concrete
Footsteps running up concrete two flights of stairs in running shoes
Concrete stone dragging smoothly 1
Heavy metal angle iron scraping on concrete with a screech
Footsteps wearing tennis shoes walking quickly on concrete.
Pushing and scraping a metal shelf on cement with a screech
Small single impact of steel on concrete.
footsteps on a concrete surface
Hardwood board pull and drop on concrete
Hitting a brick or stone against a concrete surface.