Manufacturing overhead consists of only indirect product costs. Some companies even refer to it as indirect overhead.. Others call manufacturing overhead by the label, factory overhead. Indirect costs cannot be easily traced to specific products or services provided. Because period costs have no relationship with products, they are never labeled as direct or indirect.
The United States averaged 1,274 tornadoes per year in the last decade. April 2011 saw the most tornadoes ever recorded for any month in the US National Weather Service's history, 875; the previous record was 542 in one month.
How often do tornadoes hit the UK? The UK is claimed to get more tornadoes per square kilometre than any other country in the world. On average about 30 tornadoes are reported in the UK each year, although these are generally weak with 95per cent classed as F0-F1, up to 112MPH.