carbon
The wiring material that should be used is lamp cord. You don't have to coat the wire as it has insulation already applied to the wire by the manufacturer.
Coats can be made from a variety of materials, including wool, polyester, cotton, leather, and synthetic blends. The choice of material can affect the coat's warmth, durability, and overall look.
No, a seal is a device used for making an impression in wax or other soft material to authenticate documents, while a coat of arms is a unique heraldic design on a shield or escutcheon or on a surcoat or tabard used to cover and protect armor and to identify the wearer.
Clay
The radiation comes from the material used.
Dry graphite
Silicon
i think from different gases !!!!!
It is used for making petrochemicals
tungsten or sometimes copper
mud and fibers