Forms of insulators made of glass. Production of electric power insulators at the plant. Molten glass.

Name: Forms of insulators made of glass. Production of electric power insulators at the plant. Molten glass.
Uploaded: 2020-03-17
Duration: 14 s
Channel: vincent20044
Description: Forms of insulators made of glass. Production of electric power insulators at the plant. Molten glass.