About This Lesson
This NBC Learn video explains how soaps and detergents work to break up grease and dirt on soiled surfaces, by breaking water's surface tension and suspending dirt and oil particles in water so it can be wiped away.
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This NBC Learn video explains how soaps and detergents work to break up grease and dirt on soiled surfaces, by breaking water's surface tension and suspending dirt and oil particles in water so it can be wiped away.