As we have mentioned before, TDC is the global leader in production and distribution of sodium hydrosulfide (NaHS) and is very familiar to pulp and paper mills worldwide. TDC's NaHS and NaOH products are building blocks you can not do without. I suggest you contact them today.

TDC is adding new production capabilities and service terminals. Want to know more? Visit TDC's website (click on "More" below). Tell them I sent you, please.

Regards,

Jim


Answer to last week's riddle: 998,910; there are 1,000 squares, and 100 cubes; but 10 overlap.

Last week's riddle asked: "How many numbers between 1 and 1,000,000 (inclusive) are NOT a perfect square or a perfect cube?"

This week's riddle: You have an unopened Christmas gift that you need to mail. To calculate shipping cost, you need to know how much it weighs. You know that it weighs between 1 and 40 lbs. (inclusive) and weighs a whole number of pounds. The only way you have to determine the weight is a pan balance. What is the minimum number of weights you would need to cover all the possibilities 1 and 40? What are the weights?