[Unidentified facility.]

[Interior of metalworking facility.]

[Interior of metalworking facility.]

[Interior of factory.]

[Interior of unidentified building.]

[Interior of unidentified building.]

[Interior of unidentified industrial building.]

Lamp manufacturers. Interior, manufacturing shop

[Industrial machinery.]

[Unidentified building.]

[Unidentified building.]

[Man operating unidentified machine.]

[Unidentified building.]

[Workers in an unidentified factory.]

[Unidentified building.]

[Unidentified school.]

Rubber Factory.

[Man working with lead.]

[Unidentified building.]

[Unidentified commercial building.]