| English | Spanish |
| drinking flasks for travellers | bidones cantimploras |
| drinking flasks for travellers | cantimploras |
| flasks of precious metal | frascos de metales preciosos |
| glass flasks containers | bombonas de cristal recipientes |
| insulating flasks | botellas aislantes |
| nuclear fuel flask | contenedor de combustible nuclear |
| small sealed flask | envase de vidrio o plástico ampolla (betekenis = blaar) |