(April 2012). A proof test is a form of stress test to demonstrate the fitness of a load-bearing structure, or rescue strop. An individual proof test may apply only to the unit tested, or to its design in general for mass-produced items. Such a structure is often subjected to loads above that expected in actual use, demonstrating safety and design margin.
The United States and North Korea do not have diplomatic relations. The Swedish Embassy in North Korea is the U.S. protecting power and provides limited consular services to U.S. citizens. The U.S. Special Representative for North Korea Policy is Ambassador Joseph Yun. The U.S. Special Envoy for North Korean Human Rights Issues is Vacant.
1 Trump âwill take actionâ to end any North Korea threat to US: top security adviser. 2  Biggest concern is that Kim Jong Un will 'miscalculate,' US military official says. 3  Trump's rhetoric on North Korea 'makes people nervous' but actions are positive: former US envoy. ' This Week' Transcript: High Alert | North Korea.