Carburizing imparts a shell of high-carbon content to a low-carbon steel. This produces what might be termed a dual steel, allowing for an outer shell which when hardened would withstand wear, and a soft ductile core to produce ductility and w... Read more of Process Of Carburizing at Steel Making.caInformational Site Network Informational
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THE DICE NUMBERS.





(Money Puzzles)
I have a set of four dice, not marked with spots in the ordinary way,
but with Arabic figures, as shown in the illustration. Each die, of
course, bears the numbers 1 to 6. When put together they will form a
good many, different numbers. As represented they make the number 1246.
Now, if I make all the different four-figure numbers that are possible
with these dice (never putting the same figure more than once in any
number), what will they all add up to? You are allowed to turn the 6
upside down, so as to represent a 9. I do not ask, or expect, the reader
to go to all the labour of writing out the full list of numbers and then
adding them up. Life is not long enough for such wasted energy. Can you
get at the answer in any other way?
VARIOUS ARITHMETICAL AND ALGEBRAICAL PROBLEMS.
"Variety's the very spice of life,
That gives it all its flavour."
COWPER: _The Task._


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Next: THE SPOT ON THE TABLE.

Previous: THE FOUR SEVENS.



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