Home › Blog › Buying Guide › From Factory Floor to Your Workshop: Evaluating a Pre-Owned , Used , Secondhand, Surplus CNC Machines Before Purchase GEKA GCS-P 4020 – 125A Plasma Cutting Machine made in Spain Here is a detailed, methodical evaluation guide you can bring with you when inspecting a GEKA GCS-P 4020 (125A) CNC plasma cutting table (made in Spain) — from preliminary documentation review through on-site mechanical, optical, and operational testing, to final decision criteria....