Posts by Brandon Demeria
Dear plunger manufactures, why must you make the plunger out of a
Dear plunger manufactures, why must you make the plunger out of a single hemisphere of rubber? The act of plunging destroys the ideal convex and refor...
Dear plunger manufactures, why must you make the plunger out of a single hemisphere of rubber? The act of plunging destroys the ideal convex and refor...
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