Letakkan panci berukuran sedang atau besar di atas kompor. Letakkan panci atau mangkuk tahan panas yang ukurannya cocok dengan panci pertama. Tuangkan air ke dalam panci pertama. Masak air hingga hampir mendidih. Masak bahan-bahan dalam panci kedua. Matikan kompor, sisihkan panci kedua.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Choose a medium or large sauce pan to form the base of your double boiler. This should be relatively tall, especially if you'll be using the double boiler for a recipe with a long cooking time. This can be any heat-proof container that fits snugly over the sauce pan, so most of the steam is trapped between them. There should be at least 4 inches (10 cm) of space between the bases of the two containers, and preferably more.  Aluminum, copper, and (non-stainless) steel all conduct heat quickly. Th