Coffee bean rain is needed in the beginning of the season when the fruit is developing and less later in the season as it ripens. When the fruit is ripe, it is almost always handpicked, using either "selective picking", where only the ripe fruit is removed, or "strip-picking", where all of the fruit is removed from a limb all at once. This selective picking gives the growers reason to give their coffee a certain specification called "operation cherry red" (OCR). In rare circumstances, the Asian palm civet eats coffee berries and excretes the beans. These beans are called "kopi luwak", and can
Electronic waste in the United States of which has been documented to cause significant health problems in the surrounding area. Open burnings are the most common means of 'disposing of' e-waste and occur primarily in rural areas with low incomes of developing countries. Communities use open burning for a variety of functions: For direct disposal, it takes the least amount of man-power and is the cheapest option. For precious metal extraction, it can be an effective method to extract certain valuable metals, such as gold. The combustion of burning e-waste results in ash that contains fine particulate matter; a measure of pollutants that has been linked