What element, which followed the slicing mechanism, represented the true genius behind the success of the pre-sliced loaf system?

Answer

The secure wrapping mechanism that enveloped the loaf post-slicing.

While the act of slicing itself provided efficiency in portioning, the crucial technological advancement that secured the widespread adoption of the product involved the secondary process. Rohwedder's machine was designed to slice the bread and then immediately enclose it in a protective wrapping, often wax paper or plastic wrap. This packaging was vital because it counteracted the very drawback created by slicing—rapid dehydration. The wrapper maintained the moisture within the crumb, keeping it soft for longer than an unsliced loaf left open to the air after being cut by the consumer at home, thereby merging convenience with necessary preservation.

What element, which followed the slicing mechanism, represented the true genius behind the success of the pre-sliced loaf system?
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