asset_code,name,description,serial_number,barcode,rfid_tag,asset_type,location,cost_center,assigned_to,purchase_date,purchase_cost,current_value,supplier,po_number,invoice_number,status,condition_status,ownership_status,is_critical,manufacturer,model,notes,warranty_expiry_date,last_maintenance_date,next_maintenance_date,maintenance_interval_days,is_immovable,address,latitude,longitude,equipment_class,operating_capacity,capacity_unit,material_type