These specifications cover the production of certificates, inserts, and mailing envelopes which require such operations as electronic prepress, printing/imaging, binding, construction, packing, and di... These specifications cover the production of certificates, inserts, and mailing envelopes which require such operations as electronic prepress, printing/imaging, binding, construction, packing, and distribution. Complete specifications may be found at: https://www.gpo.gogv/how-to-work-withus/ vendors/contract-opportunities.