definiens: shall mean any cause o r circumstance beyond their respective control and that could not have been avoided or mitigated b y such Party with reasonable diligence, that materi ally impedes the ability of such Party to perform its ob ligations hereunder, which causes or circumstances include the following to the extent that they meet the foregoing criteria in this definition : ( i ) any act of God ( including conditions resulting from natural disast ers or extreme weather developments, such as earthquakes, hurricanes, lightning, storms ( includi ng hail storms ), tornadoes and drought ), fire, floo d, extremely cold temperatures ( meaning temperatures b elow 32 degrees Fahrenheit for an extended period of time ), ( ii ) equipment malfunction, failure, brea kdown or accidents ( including explosions ), ( iii ) a Change in Law, ( iv ) power outage or interruption of or del ay in transportation not within control of either P arty, ( v ) inadequacy or shortage or failure of sources of supply of materials required for performance hereu nder ( including raw materials, and including as a conseq uence of a force majeure affecting the movement of such materials ), or ( vi ) acts of civil unrest, war or terrorism, strikes or lockouts