It is better to cross at right angles, because it is less likely to grab the front wheel...
Yes whenever possible
whenever it can be
Whenever the combination has been compromised or when someone leaves or is no longer to have access using the lock.
A fundamental requirement of science is that is should be possible to make predictions based the theories which should be testable. That is, it should be possible to develop a good hypothesis which could be used to distinguish between the theory being false or acceptable.
Whenever you suspect that the passage of time is one of the factors influencing one or more of the other variables you are investigating.
Railroad tracks can cause problems for motorcycles. In some situations if a motorcycle is ridden on the tracks at a crossing it can cause an accident. Motorcycles should cross railroad tracks as perpendicular to the rails as possible to avoid problems.
You should stop at a railroad crossing with mechanical gates and lights whenever the lights begin flashing. Do not attempt to cross while the gate is being closed.
because its better for the enviroment
Signal well in advance.
Yes whenever possible
Per OSHA:1910.178(n)(5) Railroad tracks shall be crossed diagonally wherever possible. Parking closer than 8 feet from the center of railroad tracks is prohibited.
That's true everywhere.
Yes
Slow and cross tracks at angle where possible. This prevents the truck from dropping into the tracks in a jarring motion.
Yes, when another driver makes a mistake, you will have time to react
A person can tell that a guy has feelings for you or that he loves you by the way he treats you. He should be affectionate and caring whenever possible.
A direct approach is simpler than an indirect or devious approach, and it should be used whenever possible.