Language and Units

Choose the language and unit system you want to use.

Keep the record useful

Content changes and corrections

Content can change when instructions become clearer or practical errors are corrected.

What to expect

Explore articles retain their references and link to related learning and planning material. Guidance can change when clearer wording, safer boundaries, or practical fixes improve a page.

What you can do

Compare the page with your materials, measurements, and reliable references before starting. Revisit the page when planning later work because guidance can change.