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.
Zurich Weather. Zurich Weather and When to Go. Zurich weather essentials. You can also read the Switzerland section for this. Summers can be very hot and Zurich is one of the few cities in the world where you can go for a swim at the very clean lake and the also very clean Limmat river over lunch time. Best time for this is June and July until mid of August, even if in Switzerland there is no guarantee that Summers brings hot and sunny weather.