| £3.69 | €4.28 | C$6.47 | AUD$6.64 | ₹346.00 | CN¥34.40 | JP¥552.98 | R$19.25
There are tricks that put us on the track of different (and sometimes better) problems. For example: the principle of the production box described in this booklet may be adapted for other purposes.
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