Ambient pressure concept of pressure becomes irrelevant, and it is undefined at a gravitational singularity. The SI unit of pressure is the pascal (Pa), which is a very small unit relative to atmospheric pressure on Earth, so kilopascals (kPa) are more commonly used in this context. The ambient atmospheric pressure at sea level is not constant: it varies with the weather, but averages around 100 kPa. In fields such as meteorology and underwater diving, it is common to see ambient pressure expressed in bar or millibar. One bar is 100 kPa or approximately ambient pressure at sea level. Ambient pressure may in
Jurisdiction under the Brussels I Regulation However, Article 5(1)c (2012 recast: Article 7(1)c) of the Regulation defines that if the conditions for Article 5(1)b (2012 recast: Article 7(1)b) are not fulfilled, the standard provision of Article 5(1)a is applicable again, making the national law for defining ‘the place for performance’, in the absence of a uniform concept, take over. Article 5(3) of the Regulation (2012 recast: Article 7(2)) gives the plaintiff, in matters relating to tort, delict or quasi-delict, the option to sue the defendant in the courts for the place where the ‘harmful event occurred or may occur’, in other words, the forum delicti commissi.