Which metal is commonly used for kitchen tools, containers, and surfaces due to its nontoxic properties?

Stainless steel is commonly used for kitchen tools, containers, and surfaces due to its nontoxic properties and durability. One of the primary advantages of stainless steel is its resistance to corrosion and staining, which is particularly important in a kitchen environment where exposure to moisture and various food substances is rampant. Additionally, it does not react with food, so it maintains the integrity and safety of the dishes prepared or stored in it.

Moreover, stainless steel is hygienic and easy to clean, making it an ideal choice for maintaining food safety standards. It is also robust and can withstand high temperatures, making it suitable for various cooking methods, including baking and frying. The combination of these factors makes stainless steel a preferred material in professional kitchens and households alike.

While gold and silver have some uses in kitchenware, they are not practical for everyday kitchen tools due to their cost and the fact that they are soft metals that could be easily damaged. Aluminum, while lightweight and affordable, can react with acidic foods, which can alter the flavor and safety of the food being prepared. Thus, stainless steel stands out as the optimal choice for kitchen applications.