Click for the index of units.

Objects made by people that aren’t tools and aren’t primarily found in the home.

Click for the index to food.

This group includes some topics that are important in residences. Entries often cover standard installation dimensions, for example for toilets and lock sets.

Go to the homeindex.

Click for the materialsindex.

Click for the mediaindex.

Click for the natureindex.

Click for the numbersindex.

Click for the peopleindex.

For information on topics that involve relations between people, such as military rank or customs like toasts, look in the category Society.

Click for the societyindex.

Click for the sportsindex.

Click for the timeindex.

Click for the toolsindex.

Tools used in the kitchen are in the Food & Drink category.

Materials that don’t become part of the finished work, such as abrasives, are also included in Tools.

For information on raw materials, such as lumber, look under Materials.

Click for the fastenersindex.

Click for an index of screw threads.

Click for the clothingindex.

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