021107, 032102, 040702, 150701, 170708, 241703, 241706, 241707, 241708, 241710, 241711, 241712, 2417 - Hands, fingers and arms. Snakes. Objects or combinations of objects representing a person. Cog wheels (wheels with teeth), gears, several wheels in juxtaposition. Calipers, micrometers, compasses for draftsmen. Dollar symbol ($). Plus symbol (+). Minus symbol (-). Multiplication symbol (×). Percentage symbol (%). Pi symbol. Infinity symbol. Punctuation marks, including commas(,), question marks(?), exclamation points(!�), ampersands(&), at symbols(@), and hyphens(-). Other notational signs and symbols, including pH, hazardous materials symbols, degree sign(�), pound sign(#), equal signs(=), and other mathematical symbols. Plain single line squares. Curved line(s), band(s) or bar(s). Chevrons and angles. Representations of human beings or parts of human beings forming letters or numerals, including punctuation. Representations of animals or parts of animals forming letters or numerals, including punctuation. 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.