23. Be careful while pasting the strip and make certain that it remains vertically straight when stuck on the base.
24. While adding the medium tones select the colours carefully.
25. Keep observing the art work at regular intervals from a distance to ensure that it has the desired effect and finish.
26. Gently nudge the paper to stand straight within the artwork - use a pair of tweezers that can be eased into the narrow gaps between the strips without spoiling the work done.
27. Remove mistakes and make changes with a pair of tweezers. If you try doing them by hand you might damage or disturb other parts of the artwork.
28. Ensure that the gaps between the artworks are just correct.