1-D band-limited Weierstrass fractal rough surface

1D exponential rough soil surface

2-D fractal rough surface

2-high rough mill

3-axis rough machining

3-D random rough surface

4-high rough mill

a Covering Generalized Rough Set

a rough diamond

aerodynamically rough surface

As-cast ferritic ductile iron threaded pipe fitting rough castings

Baotou rough iron concentrate of high intensity magnetic separation

Boolean Rough Set

casting rough

crude concentrate ore and then rough grinding

deep rough seafloor

double rough surface

fuzzy rough approximation

Fuzzy rough set

gravity data observed on rough terrain