The important thing is that you give them utensils which are safe and won't damage your cookware if it's teflon coated. They would need a whisk,a ladle or two, and a spatula. Silicon spatulas are often good in place of whisks and less likely to damager your cookware.
Copper
Marination is the process of soaking foods in a seasoned, often acidic, liquid before cooking
The most popular and widely used material for cutlery is steel, an Iron based alloy. Alternatives include: Titanium alloys, ceramics, plastic, glass, flint. List of the most popular cutlery steels with their composition and other pertinent information in the link below.
every 4 hours
Copper and aluminum are two materials known for their high thermal conductivity. They are often used in applications where efficient heat transfer is required, such as in heat sinks or cooking utensils.
Ocher
No, metals are generally good conductors of heat, meaning they allow heat to easily pass through them. This is why metals are often used in cooking utensils or in the construction of buildings to help distribute heat evenly.
Every hour
Sure, it is often placed or injected under the skin though.
There's no scheduled time frame to replace household utensils. Replace them when they break, wear out or deteriorate to the extent they cannot function properly or cannot be cleaned.
Chopsticks are widely used as eating utensils in Japan.