Usually, rainfall associated with cold fronts is in the form of heavy deluge; more rain may fall in a few minutes as the cold front passes than during the whole passage of a warm front. As the cold front passes, the clouds roll by and the air temperature may become noticeably cooler.
Face powder. Loose mineral powder. Face powder is a cosmetic powder applied to the face to set a foundation after application. It can also be reapplied throughout the day to minimize shininess caused by oily skin. There is translucent sheer powder, and there is pigmented powder.
Special powders. Main uses: Latent fingerprints on non-porous and semi-porous surfaces. The special powders mixtures are developed to improve the characteristics of concentrated or regular powders: - greasy features are reduced. - lumps are avoided. - prints show better contrast.