Đọc sổ hướng dẫn sử dụng của nhà sản xuất. Dùng bàn chải sợi ni lông để cọ khi vỉ nướng còn nóng. Làm sạch mặt dưới của vỉ nướng.

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?
Porcelain coating is very fragile and easily damaged from scrubbing and scraping. Follow the manufacturer's instructions to the letter. Otherwise, you could void your warranty. Avoid a brass brush, which can scrape the coating off the grate. Opt for a curved brush that can get in between the grating. Gently scrape in a diagonal motion. Start at the point closest to you and move upward. Move in one direction to minimize the risk of damage to the coating. If you have built-up gunk like barbecue sa