what icon i have to use in angular code example

Example 1: properly import mat icon angular 10

// In Angular in style.css
@import 'https://fonts.googleapis.com/icon?family=Material+Icons';

Example 2: how to get fas icons in angualr

import { library } from '@fortawesome/fontawesome-svg-core';
import { fas } from '@fortawesome/free-solid-svg-icons';
import { far } from '@fortawesome/free-regular-svg-icons';
library.add(fas, far);