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.
Some muscadines in a bowl; the green ones are scuppernongs. The scuppernong /ËskÊpÉrËnÉÅ/ is a large variety of muscadine (Vitis rotundifolia), a species of grape native to the Southern United States. It is usually a greenish or bronze color and is similar in appearance and texture to a white grape, but rounder and larger and first known as the 'big white grape'.
The scupper drains are 2 inches above the low point of the roof so that they do not act as primary drains. They will allow roughly 2 inches of water to accumulate on the roof before discharging. Watch for and be critical of vegetation growing on the roof. Drainage from roofs can include: