Utensils made of stainless steel, in its various forms (18/10, 18 / C), considered the healthiest utensils. The purity of these metals give the advantage of not special maintenance or treatment.
Cookware made of aluminum, are considered excellent to use in applications such as cooking food, because of the excellent conductivity dominates aluminum heat. However, you are periodically using a light oil or butter, alone, for 20 minutes in the container by burning oven for cleaning the surface pores of the aluminum.
Utensils made of enamel, are considered excellent to use in applications such as cooking food. They are considered the longest utensils because of extra enamelling and receiving a good maintenance, can last you for years. However, they should avoid their falling from great heights, with a single risk, breaking the enamel. Good is the first 2-3 years to occur without the use of acid substances, the minimum side-effect of gloss on the surface quenching.
Utensils made of non-stick surfaces, add to the ease of possible less adhesion of food to the surface of the pot. It is advised to avoid contact with metal objects (spoon - knife - fork). Prefer depending wooden objects.