Fatigue Cracking
In 2009 the D class tram fleet had to undergo structural strengthening to prevent the spread of metal fatigue in the trams aluminium frame, including removal of seats to make room for the required strengthening work, leaving D1 class trams with 32 seats and D2 class trams with 56.
Read more about this topic: D-class Melbourne Tram
Famous quotes containing the words fatigue and/or cracking:
“I thank heaven that the 4th. of July is over. It is always a day of great fatigue to me, and of some embarrassments from improper intrusions and some from unintended exclusions.”
—Thomas Jefferson (1743–1826)
“All true histories contain instruction; though, in some, the treasure may be hard to find, and when found, so trivial in quantity that the dry, shrivelled kernel scarcely compensates for the trouble of cracking the nut.”
—Anne Brontë (1820–1849)