11. It is a colorless, low-melting solid although commercial samples are often yellowish viscous liquids . 12. Manteiga de garrafa is a yellow-orange, viscous liquid which may be opaque or semi-translucent. 13. The distribution of velocities in the displacing mass resembles that in a viscous liquid . 14. Ethanolamine is a colorless, viscous liquid with an odor reminiscent to that of ammonia. 15. It is a white ( or colourless ) viscous liquid . 16. All bulk natural stone is riddled with interconnected viscous liquids . 17. The Blasted Plain itself is a desertlike landscape punctuated by poisonous pools of viscous liquids . 18. White blood cells, cellular debris, dead tissue, serous fluid, and viscous liquid ( mucus ). 19. For larger volumes or more viscous liquids , some sort of mechanical stirring is typically needed. 20. Okra's problems begin and end with the clear viscous liquid that flows from its seeds.