Sentence:  Indeed , when the proper inorganic <WSD>constituents</WSD> are employed , practically any wetting or surface-active agent will do a reasonably good job when present in sufficient amount in a hard surface cleaning formulation . 
Meaning of the word marked with <WSD> tags:  an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system