A biological agent that causes disease or illness to its host.

the process of making an object germ-free by the destruction of all kinds of bacteria and it is also the highest level of decontamination.

This technique of decontamination which significantly reducing the number of pathogens found on a surface and is also considered as the lowest level of decontamination.

The second level of decontamination next to sterilization.

This is any substance or chemicals used to destroy bacteria but is not safe to use on skin

An agent that prevents the multiplication of bacteria and

safe to use on skin

The process in keeping waste materials or products in the proper place to avoid contamination.

Taking out and disposing of unnecessary items.

Doing things spontaneously without having to be told.