Update pro/25/04.md

This commit is contained in:
PaulDeYoung 2024-08-07 20:40:13 +00:00
parent 92aa0c2d53
commit a6c1d9ac5a
1 changed files with 1 additions and 2 deletions

View File

@ -1,4 +1,3 @@
# dross
the material in a metal that people do not want and they remove by heating the metal