The screw tip-screw is manufactured by welding a metal strip to a steel pipe, which serves as a support.
The screw tip-screw is manufactured by welding a metal strip to a steel pipe, which serves as a support.
user
Гвинтовий наконечник-шнек виготовляють, приварюючи металеву смугу до сталевій трубі, яка виконує роль опори.
assistant