
Loosen rusted threaded connection will be easier if you soak it with dishwashing detergent of a type of “Fairy”, “Drop”, etc. and leave for some time. Those funds contain components blacksony that will “eat” the rust without affecting the metal and the surfactant will help the liquid to penetrate into the most inaccessible of microsemi.
A. IGNATIEV, S. Osinovka
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