Solve these clues to fill the grid.
- To prepare for crops
- 3 Across
- An electrical device that alters the frequency spectrum of signals passing through it
- 4 Across
- A visual representation produced on a surface
- 5 Across
- Preparing or putting through a prescribed ___
- 6 Across
- The process of totally ___ something with a substance
- 8 Across
- A mechanical device on a camera that opens and closes to control the time of a photographic exposure
- 12 Across
- Red, blue and yellow are all examples of this
- 13 Across
- To unite or bring into contact or bring together the edges of
- 14 Across
- To transfer a file or program from a central computer to a smaller computer or to a computer at
- 15 Across
- An electrical switch operated by pressing
- 1 Down
- An album into which clippings or notes or pictures can be pasted (plural)
- 2 Down
- Sudden bright burst of light
- 4 Down
- A picture or design ___ from an engraving
- 7 Down
- A photograph made with a ___ lens
- 9 Down
- To alter so as to produce a more desirable appearance
- 10 Down
- The color of coal
- 11 Down