0 a weakness that develops in metal structures that are used repeatedly --
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Instead, he took in someone who was an expert in metal fatigue.
The rails are simply not standing up to the huge increase in traffic, and are suffering from metal fatigue.
These stations are human artefacts and can be subject to human error, faults in design, metal fatigue, and so on.
How are we to test them for metal fatigue, and so on?
There have been teething troubles since, caused mainly by corrosion and metal fatigue.
Four of the published papers and the six being prepared relate to metal fatigue in bridges.
For example, we do not know how they will be affected by metal fatigue.
It is, therefore, too early to say whether this metal fatigue was a contributory factor in the accident.
Managing Your Emotions
What makes me angry?
Mostly，l hate when someone tries to make someone else feel bad.
I have to admit that once, when l was actually called names.
l regretted doing this afterwards, but not full heartedly because l think l was provoked in that situation.
The most postive way of dealing with anger is talking about the problem.
l talk to someone who listens, or l'll write my thoughts down on paper.
Learning how to deal with anger as you're growing up is so important.
When you're younger, you might yell,or cry when you're angry, but as you get older, you're expected to handle your emotions much better.
Learning to control your emotion now will prevent you from doing something that you'll regret later on in life!
