Batch cleaning requires efficiency and uniformity.Methods like the vinegar and salt soak are ideal for cleaning multiple pennies simultaneously. When batch cleaning, spread pennies evenly in a shallow solution to ensure each coin is equally exposed. Avoid stacking coins directly on top of each other,...
Q. Hi, I have a black Birds in Flight wall sculpture that has been in storage for many years. The signature on it is C Jere '71. I would like to know a safe way to clean it. There are a couple of small spots that look like rust. Thank you. ...
according to Marc Edwards, the lead Virginia Tech researcher testing Flint Water. Because of the chloride ions, the Flint River is19 times more corrosivethan the city’s previous source of water. The river water corroded city pipes, and the corroded pipes leached...