1 Yield strength is the lowest stress that produces a permanent deformation in a material. 2  In some materials, like aluminium alloys, the point of yielding is difficult to identify, thus it is usually defined as the stress required to cause 0.2% plastic strain. 3  This is called a 0.2% proof stress.
This year's deadline to file your personal income tax return is midnight on May 5 â five days later than the usual Apr. 30 cutoff. You can thank that nasty Heartbleed computer bug for the extension, after it forced the Canada Revenue Agency to shut down its E-File system earlier in April.his year's deadline to file your personal income tax return is midnight on May 5 â five days later than the usual Apr. 30 cutoff. You can thank that nasty Heartbleed computer bug for the extension, after it forced the Canada Revenue Agency to shut down its E-File system earlier in April.
Property Tax. City of Toronto 2015 final property tax bills will be mailed to property owners between May 19 - June 12, 2015. The 2015 final property tax bill is the second of two bills issued for 2015.The 2015 interim property tax bill was mailed in January 2015.Payments must reach our offices before the due dates to avoid penalty or interest charges.There are a number of options available to pay your taxes.he 2015 interim property tax bill was mailed in January 2015. Payments must reach our offices before the due dates to avoid penalty or interest charges. There are a number of options available to pay your taxes.