Half of the world's neon was coming from Ukraine, a quarter each from Odessa and Mariupol. This is also critical for semiconductor manufacturing. https://www.

Half of the world's neon was coming from Ukraine, a quarter each from Odessa and Mariupol. This is also critical for semiconductor manufacturing. https://www.theregister.com/2022/03/11/ukraine_neon_supplies/ https://www.theregister.com/2022/03/11/ukraine_neon_supplies...