, Sicilian: Missina; Latin: Messana, Greek: Î¼ÎµÏÏÎ®Î½Î±) is the capital of the Italian province of Messina.
Arc Rating: A value of the energy necessary to pass through any given fabric to cause with 50% probability a second or third degree burn. This value is measured in calories/cmÂ². The necessary Arc Rating for an article of clothing is determined by a Hazard/Risk Assessment and the resulting HRC. Usually measured in terms of ATPV or EBT. Simple put the ARC rating determines the protective characteristics of the fabric. The higher the ARC rating value the greater the protection.
entry. A âDesign Pressure Ratingâ or âDPâ rating will now describe a product rating that has only been tested to structural loading and not air infiltration, water testing or other requirements for Performance Grade. Performance Classes This Standard/Specification defines requirements for four performance classes. The performance