Besides the paper bag machinery, which other mechanical fields did Margaret E. Knight apply her inventive principles to?

Answer

Machinery for boots and shoes, and improvements in refrigeration.

Knight's inventive genius was marked by its remarkable breadth, moving successfully across various specialized industrial sectors rather than remaining confined to one area. While the paper bag machine is her most famous achievement, her documented productivity extended significantly into other distinct fields. Specifically, her mechanical aptitude was applied to developing machinery necessary for the boot and shoe industries, as well as conceptualizing and creating improvements related to refrigeration technology. This wide-ranging output demonstrates a rare level of universal mechanical skill applied to solving practical problems across diverse applications.

Besides the paper bag machinery, which other mechanical fields did Margaret E. Knight apply her inventive principles to?
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