Technical ceramics, Alumina spark plugs Fire, 1920s

Technical ceramics is “Alumina spark plugs Fire” in 1920s, and the figure kept beside it is 1. Write the unit of that figure for heat, water, or fire beside the slip, and do not drop the unit. This week, choose one material only, and do not mix similar names in one cell. At the hardware shop, open Technical ceramics so the slip shows 1920s first, 1 next, and “Alumina spark plugs Fire” beside them.

This week, before you buy, write the material’s name, the year, and the figure on a specification slip, and match them to the mark on the thing. At home, check that the material’s name on the slip matches the package, and correct the slip if it does not. The order is Technical ceramics, 1920s, 1, then “Alumina spark plugs Fire”. When one material is done, look again only at 1920s for Technical ceramics and leave 1 on the slip.

Do not paste an advertising line over the specification, and do not read the figure as a quality score. Check that the figure on the slip and the figure on the package share a unit, and set the material down if they do not. This week, choose one material only, and do not mix similar names in one cell. Match Alumina spark plugs Fire with 1 at the hardware shop before you close 1920s for Technical ceramics. Technical ceramics is “Alumina spark plugs Fire” in 1920s, and the figure kept beside it is 1.