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1) Ways to prevent galvanic corrosion from occurring between metals include
. drilling holes before applying primers and topcoats.
• applying a corrosion-resistant coating between parts.
using clips that will not damage the paint.
using gaskets, washers, or insulators between parts.
copying OEM installation.
reinstalling or replacing all removed parts.
• using hardware included with replacement parts.

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.