Pablo Picasso Spanish, 1881-1973 La puce, from Histoire naturelle, 1936, published 1942
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Rosin based fluxes are widely used in military and space electronics. 1  The reasons could be listed as: 2  They are noncorrosive at room temperature. 3  Rosin type flux is hygroscopic and can act as an insulation. 4  They normally cure at room temperature to entrap potentially corrosive activators.