Whole-leaf, broken-leaf, fannings and dust are grades of which commodity?
Tea leaf grading When crushed to make bagged teas, the tea is referred to as "broken", as in "broken orange pekoe" (BOP). These lower grades include fannings and dust, which are tiny remnants created in the sorting and crushing processes. Orange pekoe is referred to as "OP". The grading scheme also contains categories higher than OP, which are determined primarily by leaf wholeness and size. Broken, fannings and dust orthodox teas have slightly different grades. CTC teas, which consist of leaves mechanically rendered to uniform fannings, have yet another grading system. Orange pekoe (), also spelled pecco, or OP is a term used
Leaf blower the adverse health effects of carbon monoxide, nitrogen oxides, hydrocarbons, and particulates generated in the exhaust gas of the gasoline-powered engines, leaf blowers pose problems related to dust raised by the powerful flow of air. Dust clouds caused by leaf blowers contain potentially harmful substances such as pesticides, mold, and animal fecal matter that may cause irritation, allergies, and disease. Noise pollution is also a concern with leaf blowers, as they emit noise levels well above those required to cause hearing loss to both the operator and those nearby. Leaf blowers also present an occupational hearing hazard to the nearly