A thick mug.
A material with low thermal conductivity, such as aerogel, is known to have the best thermal insulation properties. It is lightweight, highly porous, and has excellent heat resistance, making it an efficient insulator.
A cup made of metal would have better thermal conductor properties than a thick mug. Metal is a better conductor of heat than ceramic or glass, allowing the metal cup to heat up or cool down faster when in contact with hot or cold liquids.
A thick mug.
There are some risks involved using a thermal mug. It keeps beverages hot so you could receive a burn if it is spilled. There are other risks depending on the material that the mug is made of.
A thick mug.
Ceramic mug (apex)
Definitely an electrical insulator. Glass does not conduct electricity. It can be a thermal insulator, but not a great one. You windows on a cold day are pretty cold. Hot coffee in a mug will get the mug warm.
Identify the common properties in glass Cup bucket mug and jug
A down-filled coat
The transfer of heat from cup to hand is known as conduction.
thermal conductivity of iron ore