It's nice to know that the postal vehicles are safe.

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Pondering.....

1. If poison expires, is it more poisonous or is it no longer poisonous?

2. Which letter is silent in the word "Scent," the S or the C?

3. Why is the letter W, in English, called double U? Shouldn't it be called double V?

4. Every time you clean something, don't you make something else dirty?

5. If you replace "W" with "T" in "What, Where and When", don't you get the answer to each of them?