In steel that looks heavy, I hope the hole is big. Is it worth trying to work out the voume of your wooden mock ups from which the weight could be worked out?. Not to hard to work out how much water each barrel displaces.
In steel that looks heavy, I hope the hole is big. Is it worth trying to work out the voume of your wooden mock ups from which the weight could be worked out?. Not to hard to work out how much water each barrel displaces.
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