What is the value of the alternative core lengths below which variation in rating can be obtained? a) 0.7 * length b) 0.4 * length c) 0.3 * length d) 0.7 * length or 0.5 * length
What is the value of the alternative core lengths below which variation in rating can be obtained? a) 0.7 * length b) 0.4 * length c) 0.3 * length d) 0.7 * length or 0.5 * length
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