The answer is 2. El Malecón
Here u go hope this helps. I am fluent just didn’t want to type all of that.
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.
