Pipa gandheng spiral (SSAW) mbusak teyeng lan proses anticorrosion introduksi: Aman karat minangka bagéyan penting saka proses anticorrosion pipa. Ing saiki, ana akeh cara aman teyeng, kayata aman teyeng manual, wedhi blasting lan pickling aman teyeng, etc. Antarane wong-wong mau, manual ru...
Waca liyane