The increasing technological basis of war meant that the progress of the war was more reliant upon the worker in the Second World War than it had ever been before. This section contains images aimed at those working in the factories, who needed convincing that the work that they were doing was as important as that on the front line, with calls for increased production and less absenteeism. A varied number of styles were used, including Soviet-inspired designs, to improve production when every part produced was essential. Within a maritime nation, raw materials were hugely important. Calls to ‘make do' and recycle in order to reduce the amount of necessary imports led to almost every family in the nation joining ‘The home salvage corps'.