2. Table salt. This is the most common kind of salt, and the one most used in the our kitchen. Sourced from salt mines, it is then refined and most minerals removed. Anti-caking agents are added to prevent clumping, as is iodine, a nutrient not always naturally present in salt.
Opaque is from a Latin word meaning dark, and that was its original sense in English, but it now means literally not transparent or metaphorically hard to understand; unclear: Some of his sentences are really opaque..
Therefore, we cannot see clearly. through them and objects on the other side of a translucent object appear fuzzy and unclear. Opaque objects block light from traveling through them. Most of the light is either reflected by. the object or absorbed and converted to thermal energy. Materials such as wood, stone, and. metals are opaque to visible light.