Studies were performed to appreciate the presence of micro-organisms able to degrade OLA. in earthworms casts or in the surroundings. Worms were grown in biosynthesol. an artificial soil. https://www.spidertattooz.com/Kaiser-Copy-Stand-RS-1-with-RA-1-Arm-40-Counterbalanced-Column-and-18-x-20-Baseboard/