sentences:  The IL-KBS and IL-MCS units are used primarily where users need to access two separate networks from a single desktop while maintaining strict security separation between the two domains.Examples of this would include accessing Classified and Unclassified networks in a military setting.The IL-DD and IL-DPAs are versatile in their applicability, primarily they are used where data in various forms needs to be sent in a strictly unidirectional manner.