Also, personally, I think large rims with dinky little stock brakes (i.e. large empty space inside the rim) don't look any good either. (mechanics.stackexchange.com)
This happens in larger empty spaces, macropores, that help move water through the soil. (sciencedaily.com)
The origin of the pnictogen catalysis: The large empty space, the «blue hole», on antimony, inside the molecule. (sciencedaily.com)