If you are interested in this video, watch the others, it will be amazing! 👉 Process of making metal lids for preserving glass jars 👉 유리 병을 보존하기위한 금속 뚜껑을 만드는 과정 👉 Verfahren zur Herstellung von Metalldeckeln für Konservengläser
Hello, they don't wear gloves for safety reasons! as there is a chance of getting caught on them and causing more damage to your health. Thank you for watching us.
