Drying instruments to prevent rusting is essential when processing in which method?

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Drying instruments before chemical vapor processing is essential because this method uses hot chemical vapors that can interact with any remaining moisture on metal tools. When instruments aren’t completely dry, residual water can condense or react with the vapor mixture, promoting corrosion and rust on metal surfaces. Thorough drying protects instrument integrity and helps prevent rust during and after the cycle. In steam autoclaving, the process is designed around moist heat and includes a drying phase to remove moisture, so rust risk is managed within the cycle. Dry heat uses dry air and poses less risk from condensation, and ethylene oxide relies on gas sterilization with different residue concerns rather than rust from moisture. So, the emphasis on drying to prevent rust is most critical for chemical vapor processing.