References

Ownership dates, prices, likes, and dislikes throughout this volume are drawn from the author’s own records in inventory-with-notes.md. They are one person’s experience with one unit of each product and are not a substitute for a sample.

Manufacturer pages can change after publication. Material test results are not interchangeable unless methods, loads, abrasives, and endpoints match. The values in this field guide are comparative reading aids, not warranties of service life.