Professional Shear Sharpening

professional
an athlete who plays for pay
Having or showing the skill appropriate to a professional person; competent or skillful
a person engaged in one of the learned professions
(of a person) Engaged in a specified activity as one's main paid occupation rather than as a pastime
engaged in a profession or engaging in as a profession or means of livelihood; "the professional man or woman possesses distinctive qualifications"; "began her professional career after the Olympics"; "professional theater"; "professional football"; "a professional cook"; "professional actors
Of, relating to, or connected with a profession

sharpening
Make or become sharp
(sharpen) focus: put (an image) into focus; "Please focus the image; we cannot enjoy the movie"
(sharpen) raise the pitch of (musical notes)
Improve or cause to improve
(sharpen) make crisp or more crisp and precise; "We had to sharpen our arguments"

shear
A strain in the structure of a substance produced by pressure, when its layers are laterally shifted in relation to each other
cut with shears; "shear hedges"
(physics) a deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves; "the shear changed the quadrilateral into a parallelogram"
fleece: shear the wool from; "shear sheep"