Metal container vessels for use in large scale composting of animal carcasses and organic substances and used by large poultry and livestock raising businesses and other large food processing businesses, namely slaughterhouses, rendering plants, poultry processing plants, farms, restaurants, resorts, fisheries, grocery stores, waste disposal plants, and composting sites, replacement parts for such vessels; metal container vessel accessories sold together with the metal container vessels as a unit, namely programmable logic computers for controlling composting and bone screeners utilizing metal cylindrical cages with multiple sidewall apertures to pass composted material and retain bones
