The A-erh-t'ai Mountains are famous for the production of gold.

FIG. 17 illustrates a potential synthetic pathway for the synthesis of triisopropylsilyloxycarbonylleucomethylene blue. FIG. 18 illustrates the cyan reflectance density of optically readable storage media coated with triisopropylsilyloxycarbonylleucomethylene blue as a function of time in the presence 1,4-diazabicyclo[2,2,2]octane.

[…] because the left leg of her tights has exhibited symptoms of the defect in the warp known as a Jacob's ladder.

F₀ = 3, F₁ = 5, F₂ = 17, F₃ = 257, and F₄ = 65537. The next 28 Fermat numbers, F₅ through F₃₂, are known to be composite.