Poreba TR100B1, TR135B1 & TR100C1 Lathes Manual Poreba (FUM) Lathes TR-100B1, TR-135B1 and TR-100C1. Operating and Maintenance Instructions with Parts Manual as Sectional Drawings. Manufacturers: FUM Poreba Models: 100B1 100C1 135B1 TR Contents: Operators Manual Maintenance Manual Parts Manual