If it or they were strictly Kosher ( OU) they would not use you as you are prepping in your home. Plus every product you use inparticular chichen has to be certified kosher.
IF THIS IS AROUND DINNER TIME THEY WILL EAT A LOT.
Problem with SS is that it does not conduct heat evenly and develops hot spots, where as aluminum does not. Where you got your medical info is beyond me. There has never medicaly been any connection made between aluminum and any disease....
Raising sick or underweigh kittens till they are well and can be adopted.Writing articles on cat behavior for county animal control. Teaching a class on fostering at same. Also home improvement projects and stock market.