| Answer | Crossword Clue |
|---|---|
| ribbed | (of a vault or other structure) Strengthened with ribs |
| plastering | Cover (a wall, ceiling, or other structure) with plaster |
| trussing | Support (a roof, bridge, or other structure) with a truss or trusses |
| inflating | Fill (a balloon, tire, or other expandable structure) with air or gas so that it becomes distended |
| inflates | Fill (a balloon, tire, or other expandable structure) with air or gas so that it becomes distended |
| microstructures | The fine structure (in a metal or other material) that can be made visible and examined with a microscope |
| microstructure | The fine structure (in a metal or other material) that can be made visible and examined with a microscope |
