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.
City of Toronto 2017 interim property tax bills will be mailed to property owners between January 9 and January 27, 2017. The 2017 interim property tax bill is the first of two bills issued for 2017. The 2017 final property tax bill will be mailed in May, 2017. 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.