011502, 011506, 011508, 051502, 100725, 150701, 260102, 261701, 261706, 280105 - Lightning or electricity. Clouds, fog. A single drop (including a single raindrop or a single teardrop). Garlands, wreaths, bands, borders or frames made of plants. Other medical or surgical apparatus, instruments, attire, or utensils, including medical inhalers and eyepatches. Cog wheels (wheels with teeth), gears, several wheels in juxtaposition. Plain single line circles. Straight line(s), band(s) or bar(s). Diagonal 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.