manhole with removable cover
1cover — {{Roman}}I.{{/Roman}} noun 1 sth put on/over sth ADJECTIVE ▪ protective ▪ removable, reversible ▪ leather, plastic ▪ dust …
2manhole — mænhəʊl n. opening with a removable cover through which a person can access a sewer (or boiler, drain, etc.) …
3Manhole cover — Kraków manhole cover (note integral hinge). Modern manhole cover in Rome …
4Space Shuttle external tank — A Space Shuttle External Tank (ET) is the component of the Space Shuttle launch vehicle that contains the liquid hydrogen fuel and liquid oxygen oxidizer. During lift off and ascent it supplies the fuel and oxidizer under pressure to the three… …
