"material flow system"@en . "Materialflusssystem"@de . "materials management"@en . "Materialwirtschaft"@de . . . "materials transport"@en . "Materialtransport"@de . "material handling"@en . "material transport"@en . "materials handling"@en . "materials transportation"@en . "material transportation"@en . "Werkstoffbeförderung"@de . . . . . . .