Such bags are commonly used to transport and store agricultural products such as coffee beans, potatoes, grains or sugar.

Influenced by post-war industrial design, the shape tends to be square and heavy, with strong lines, emphasizing "pragmatism"; The color is mostly classic rice white, light yellow, avocado green (avocado green, 60-70 popular color) or dark brown, some with metal primary colors (such as galvanized steel); Brand logos (such as GE, Whirlpool Whirlpool, etc.) are often presented in the form of metal nameplates or reliefs, becoming symbols of the times.

Advantages of structural mechanics: The Z-shaped polyline structure is supported by segments to disperse the force, which saves more space than the linear type, while improving the overall stability, suitable for scenes requiring vertical or inclined lifting (such as small cargo transportation, space partition lifting). Industrial style aesthetics: the naked frame, neat broken lines and mechanical details (such as connectors and sliding rails) are integrated, presenting a coarse and delicate industrial retro style. The lines are simple but full of power, becoming the visual focus in the space.

Re-engraving of time traces: simulating the oxidation and wear of old objects in the years through the appearance of "rust", conveying nostalgia and historical heaviness; The collision between industry and nature: the cold and hard texture of metal materials and the mottled texture formed by rust (such as the blending of red-brown, yellow and gray-black color blocks) have both the ruggedness of the industrial age and the organic beauty of natural oxidation; The symbiosis of function and decoration: retain the original structure of the stove/fireplace, and at the same time become a "retro device" in the space with a rusty appearance, rather than a simple heating tool.

The industrial buildings of the Soviet era were an important symbol of the Soviet industrialization process, with large conventional models and sturdy structures, reflecting the Soviet era's emphasis on industrial production and national power. Between 1950 and 1957, the Soviet Union supported China's so-called "156 technology transfer projects", which involved the construction of large capital intensive factories in the heavy industry sector, the transfer of advanced machinery and equipment from the Soviet Union, and the provision of technical assistance and knowledge dissemination. The design and construction of the building reflected the political and economic background of the time, and it was widely present in the Soviet Union and countries within its sphere of influence, becoming a symbol of industrialization and modernization during that era

An abandoned industrial site located in Niigata Prefecture, Japan. The facilities that were once used for industrial production were later abandoned due to various reasons. Abandoned factories often become destinations for explorers and photography enthusiasts due to their unique sense of history and industrial aesthetics. These sites are also often used for creating 3D models to document and showcase their current condition. Reflecting the historical changes in the industrialization process, it also reminds people to pay attention to the protection and reuse of industrial heritage.