7 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements (other than hand-operated); incubators for eggs. - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements (other than hand-operated); incubators for eggs.
40 - Treatment of materials. - Treatment of materials.