What is engineerig?

Engineering is the science,
skill, and profession of
acquiring and applying
scientific, economic, social, and
practical knowledge, in order
to design and also build
structures, machines, devices,
systems, materials and
processes.
The American Engineers'
Council for Professional
Development (ECPD, the
predecessor of ABET)[1] has
defined "engineering" as:
The creative application of
scientific principles to
design or develop
structures, machines,
apparatus, or
manufacturing processes,
or works utilizing them
singly or in combination;
or to construct or operate
the same with full
cognizance of their design;
or to forecast their
behavior under specific
operating conditions; all as
respects an intended
function, economics of
operation or safety to life
and property