Category data
Content 10 pages, 1 subcats, 0 files
Main page Principles of design
Impact Combined page views of all the pages in this category. 65,303
Top page Top page in this category by number of page views. Principles of clothes washing and washing machine design (30,275)

Simplicity, usability and light impact.

Subcategories

This category has only the following subcategory.

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