Cubicle count
How do those running large sporting and cultural events determine how many toilets to provide? Is there an accepted ratio or does it vary, and if so by how much?
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Cracked it
Why do I, or any other human, get sore and cracked heels? I understand it's less common in men than women 鈥� presumably this is down to footwear choices? The cream product I use to cure it works very well, but its active ingredient appears to be urea. How does this react with my skin to cure the problem?
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Plant life
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Flight of imagination
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Red leaf, yellow leaf
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Hair shadows
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