The external question: should toilet paper hang over or under? Modern engineering has created an efficient way to dispense toilet paper, but it has left orientation up to consumer. In determining which is best, there are numerous variables, statistics, and principles of mechanics to taken into account. And simple efficiency is not the only concern: for many, TP orientation is a matter of identity, lifestyle, and passion. Let us walk you through this timeless and enduring debate.
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Source: engineeringdegree