The exterior has been washed only once, in 1976, because it remains remarkably clean without regular washing.

The air was remarkably clean and fresh for a cave.

"There are a couple of plants growing through the floor over there, but, overall, remarkably clean."

His eyes were bright, his hair was remarkably clean.

"For an axe wound this is remarkably clean," the physician commented.

All the while complaining largely of fallout from the remarkably clean burst over their soil.

When not in use, they are kept remarkably clean.

The race was remarkably clean for a restrictor plate race.

As I've said before, the killings were remarkably clean, well organized, and very professional.

Like the rest of the ship, it was remarkably clean and intact, but completely lifeless.