It is sometimes stated that loudness is a subjective measure, often confused with physical measures of sound strength such as sound pressure, sound pressure level (in decibels), sound intensity or sound power.
The main food crops are barley, corn, potatoes, sugar beets, and wheat.. The Netherlands produces a variety of other crops, including tomatoes and other warm-weather foods which are grown in hothouses.
The Netherlands, the sixth-largest economy in the European Union, plays an important role as a European transportation hub, with a persistently high trade surplus, stable industrial relations, and low unemployment. Industry focuses on food processing, chemicals, petroleum refining, and electrical machinery. A highly mechanized agricultural sector employs only 2% of the labor force but provides large surpluses for food-processing and underpins the countryâs status as the worldâs second largest agricultural exporter.