Larger | Spin | 3D. Indium foil. Indium is often used to form air-tight seals between glass components because it is soft enough to mold itself to the shape of the glass, and because unlike rubber or other organic seal materials it is really 100% gas-tight and it doesn't release volatile compounds of its own.
Melasma is a chronic skin disorder that results in symmetrical, blotchy, brownish facial pigmentation. It can lead to considerable embarrassment and distress. This form of facial pigmentation is sometimes called chloasma, but as this means green skin, the term melasma (brown skin) is preferred.
Melanoma signs and symptoms. Melanoma appears on the skin as a new spot or growth or a change in an already existing mole. A normal mole will be even in color, quite small and will have appeared during the early part of your life. Most importantly, a normal mole will arrive and stay â exactly the same.