Materials to cushion falls include wood chips & shredded these, maybe made by Goodyear
The litter consists mainly of wood chips or other organic plant matter even after 
it has... [DOC] [TLE] Tires as a Fuel Supplement: Feasibility Study - CalRecycle - California [PAR] Chipped wood waste generated from lumber operations, pul p ... Rubber which 
has been devulcanized for reuse as a raw material .