In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: The Canet guns were designed by Gustave Canet ( 1846-1913 ) for Schneider et Cie .
A: 
The Canet guns were a series of weapon systems developed by the French engineer Gustave Canet ( 1846 – 1913 ) , who was design engineer for Schneider et Cie of Le Creusot .