Information such as catalog cuts, illustrations, drawings, and brochures which show the characteristics of construction of a project or explain its operation. The Descriptive Literature may be furnished by a Bidder or Offeror as part of its Bid to describe the products offered in its Bid or Proposal and required only when the MTA deems such literature is need to enable it to determine whether the products offered meet the specifications and to establish exactly what the Bidder proposes to furnish.