Chemical weapons such as mustard gas may be defined as substances which can be gainfully used to harm human beings, other living organisms, or non-living materials.
(Chemical weapons such as mustard gas; may be defined; as substances) (substances; can be gainfully used; to harm human beings, other living organisms, or non-living materials) (substances; to harm; human beings, other living organisms, or non-living materials)
Chemical weapons such as mustard gas substances substances
may be defined can be gainfully used to harm
as substances
to harm human beings, other living organisms, or non-living materials
human beings, other living organisms, or non-living materials