Not immediately self-explanatory, this poster is part of a campaign by the Douglas Aircraft Corporation to encourage its workers to save materials, energy and tools on the job, in the interests of the US war effort.  The Japanese appear to have inspired particularly derogatory racist imagery, particularly among US cartoonists, at this time.  Best regards, JR.

Material conservation

&quot;On them fells the fault&quot;. 
Italian propaganda poster against &quot;terroristic&quot; Allies bombings

Bocca5-06

Another poster from the McDonnell Douglas "material conservation" campaign.  Best regards, JR.