lead
The Italian translation for 'lead' is 'piombo'. It's used in the same way as in English, to refer to the heavy, soft, malleable metal. It can also be used to refer to the role or position of being a leader in a race or competition, as well as the action of showing the way by going in advance.
The pencil is made of lead.
In this sentence, 'piombo' is used to indicate the material from which something, in this case a pencil, is made.
Lead is a toxic metal.
Here, 'piombo' refers to the element Lead, which is known for being toxic. This sentence is an example of using 'piombo' in a scientific context.
The lead roof is very heavy.
In this example, 'piombo' describes the material used for a roof, highlighting a characteristic of that material, which is its weight.