The three main types of solder are lead-free solder, lead-based solder, and flux-core solders. There is another type known as silver alloy solder. These types are made on the composition of alloys. Apart from this, there are other solder types depending on the form, core style, and application.
Escribir ⇢ Escrito
El detective llegó al hotel con el número de la habitación escrito en un papel. El hotel estaba en una calle muy <em>adjetive</em><em> </em>(transitada).

Remember that the impersonal forms are those that do not coincide in <u>gender</u> and <u>number</u> with the subject that performs the action.
<h3>The impersonal forms are: </h3>
- Infinitive
- Gerund
- Participle ⇢ In this case.
Remember that the participle is a <u>verbal form</u> while an adjective always <u>describes a quality of the noun</u>, always agreeing in gender and number with the noun it accompanies.