This set of five historically significant safety posters, representative of communist-era industrial graphics. These items originate from the visual archive of the former Armătura Zalău factory, salvaged directly from the production halls prior to the site's demolition. Provenance: Armătura Zalău Factory, Romania. Period: 1970s–1980s. Dimensions: 39.5 cm x 26.7 cm (Large format). Design: Modernist-Industrial graphics with high visual impact. Detailed technical illustrations and original period-specific color palette. Themes: Crane and hoist operation, lathe safety, ladder usage, material storage/handling, and workshop safety regulations. Material: Vintage thin cardstock / Heavy paper. Condition: Very good vintage condition. Features authentic industrial patina.