Assertion: visible rust | /r/HasProperty | gone
Facets:
Source sentences:
text: To use muriatic acid, brush it onto a metal surface, scrub gently, then neutralize the acid with baking soda as soon as the visible rust is gone.
text: Add one cup of salt for every gallon of vinegar, stir gently and leave for around 12 hours or until all visible rust is gone.