010905, 010925, 050125, 050308, 150701, 200101, 260121, 260130, 261709, 280105 - Atoms or molecular models. Other planets, asteroids, meteors. Other trees or bushes. More than one leaf, including scattered leaves, bunches of leaves not attached to branches. Cog wheels (wheels with teeth), gears, several wheels in juxtaposition. Pencils, pens (excluding quill pens), crayons, pen points, chalk, markers. Circles that are totally or partially shaded. Four Circles. Curved line(s), band(s) or bar(s). Inscriptions in Greek characters, including the following: Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ ς Σ σ Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω.