Definition. 1  Is ignitable at 101.3 kPa (14.7 psi) when in a mixture of 13 percent or less by volume with air; or. 2  Has a flammable range at 101.3 kPa (14.7 psi) with air of at least 12 percent regardless of the lower limit.efinition. 1  Is ignitable at 101.3 kPa (14.7 psi) when in a mixture of 13 percent or less by volume with air; or. 2  Has a flammable range at 101.3 kPa (14.7 psi) with air of at least 12 percent regardless of the lower limit.
This most desirable city in the world is pride of Switzerland. According to some surveys it is the city with best quality of life in the world and the wealthiest city of Europe. This city is well known for luxurious shopping, lodging and cuisine. Founded by the Romans, Zurich lies in north central part of the country.
Switzerland is well known for the Alps in the south and south east. North of the Alps, the Swiss Plateau runs along the east-west axis of the country. Most of the population of Switzerland lives on the rolling hills and plains of the plateau.he distribution of population is shaped by the topography of the country, the plateau being the most populous area and including the major cities of Switzerland. With a population density of 450 inhabitants per km2, it is one of the most densely populated region in Europe.