Pollo cheese sticks

Are Kraft Cheese sticks with an OU kosker for Pesach. Ingredients Pasteurized Part–Skim Milk, Vinegar, Salt, Enzymes (Non-Animal).

Treatment of Opal Glass

Do the same halachic laws for kashering apply to Opal Glass as regular clear glass (when going from milk to meat or regular to Pesach). From what I can tell on the web, Opal glass is a 100% glass material. The distinctive White color, is obtained by adding fluorine....