Can I put my cast iron pot or pan in the oven?

Can I put an aluminum pot or pan in the oven? What about a glass lid?

Can I use a cracked or scratched glass lid on aluminum cookware?

What should I do if a vacuum has formed under the lid of an aluminum cookware?

Can I use cast iron cookware in the microwave?

Do I need to oil enameled cast iron cookware?

What should I do if a vacuum has formed under the lid of a cast-iron cookware?