Essentialism, In ontology, the view that some properties of objects are essential to them. The âessenceâ of a thing is conceived as the totality of its essential properties. Theories of essentialism differ with respect to their conception of what it means to say that a property is essential to an object.
Decontamination is the process of removal of contaminating pathogenic microorganisms from the articles by a. process of sterilization or disinfection. It is the use of physical or chemical means to remove, inactivate, or destroy. living organisms on a surface so that the organisms are no longer infectious.
Disinfection can be attained by means of physical or chemical disinfectants. The agents also remove organic contaminants from water, which serve as nutrients or shelters for microorganisms. Disinfectants should not only kill microorganisms. Disinfectants must also have a residual effect, which means that they remain active in the water after disinfection. A disinfectant should prevent pathogenic microorganisms from growing in the plumbing after disinfection, causing the water te be recontaminated.