Related Clues:
- Wall decor
- Work on a wall
- Mural painted on a wall
- Michelangelo painting
- Note strange reflection of artwork on wall
- Painting on wet plaster
- Painting on wall
- Painting fresh coat, hence removing lid
- Almost new business may be going to the wall
- Painting style
- Watercolour done on wet plaster
- Painting done in wet plaster
- Forces put in the picture
- Wet plaster painting
- Wall painting — work for civil engineers?