The materials mixed with the iron borings cause them to rust into a solid mass, and in doing so a slight expansion takes place.
The materials, however, were mainly those of the hall set up in Hyde Park for the Great Exhibition of 1851.
If you take low-worth items or raw materials and apply labor to them to make something that has value, you have created wealth.
The import trade shows the largest totals in foodstuffs, wines and liquors, textiles and raw materials for their manufacture, wood and its manufactures, iron and its manufactures, paper and cardboard, glass and ceramic wares.
Flax, Hemp, Jute, &c.The preparation and spinning of these materials and the manufacture of nets and rope, together with the weaving of linen and other fabrics, give occupation to 112,000 persons chiefly in the departments of Nord (Lille, Armentires, Dunkirk), Somme (Amiens) and Maine-et-Loire (Angers, Cholet).