Chief of Staff to the Vice President of the United States. The Chief of Staff to the Vice President of the United States is the Chief of Staff position within the Office of the Vice President, part of the Executive Office of the President of the United States.
Although the diameter of hail is varied, in the United States, the average observation of damaging hail is between 2.5 cm (1 in) and golf ball-sized (1.75 in). Stones larger than 2 cm (0.80 in) are usually considered large enough to cause damage.
These exposuresinclude ultraviolet radiation, heat, wind, rain,pollutants and hail.Hail damage to roofing products results in millionsof dollars of losses on an annual basis. The result of thisdamage is an obvious boon for roofing contractors and,over the years, has certainly been very costly for theinsurance industry.he overridingfactor, however, of whether a hailstorm can inflictdamage to a roofing system is the ultimate impactenergy, or kinetic energy, imparted by the hailstone tothe roofing system, and the impact resistance of theroofing system.2.