| Answer | Crossword Clue |
|---|---|
| pylons | tall thin metal structure used as a support |
| pylon | tall thin metal structure used as a support |
| pillars | A tall vertical structure of stone, wood, or metal, used as a support for a building, or as an ornament or monument |
| mattresses | A flat structure of brushwood, concrete, or other material used as strengthening or support for foundations, embankments, etc |
| skidproof | one of a group of objects (as planks or logs) used to support or elevate a structure or object |
| skids | one of a group of objects (as planks or logs) used to support or elevate a structure or object |
| shuttering | Wood in planks or strips used as a temporary structure for fencing to contain setting concrete, to support the sides of dirt trenches, or for similar purposes |
