The complement of set A is defined as a set that contains the elements present in the universal set but not in set A. For example, Set U = {2,4,6,8,10,12} and set A = {4,6,8}, then the complement of set A, A′ = {2,10,12}.
“The purpose of leadership is not necessarily just to accomplish goals, it is to help other people accomplish their goals. Because when that happens not only do they succeed but you succeed, so it becomes this mutually beneficial experience for all parties.”
Plastic materials are preferable to other materials in many applications due to their wide range of qualities, including their light weight, toughness, corrosion resistance, color, transparency, and ease of processing.