- hold down a job - Labour - Occupation - Operate - Planned move - Run smoothly - Exertion of strength or faculties; physical or intellectual
effort directed to an end; industrial activity; toil; employment;
sometimes, specifically, physically labor.
- Covered in ferrous metal - Dressed in armour that is watertight? - Inflexible, rigid - Unbreakable (agreement) - Watertight - Clad in iron; protected or covered with iron, as a vessel
for naval warfare. - Rigorous; severe; exacting; as, an ironclad oath or
pledge.