Claas Is Europe's Largest Manufacturer of Combine Harvesters

Claas is Europe's largest manufacturer of combine harvesters.As farming becomes more professional and more intensive,farmers are buying more sophisticated machines,which Claas can supply.The expensive machines sold by Claas would be examples of:

A) Installations.
B) component parts.
C) accessory equipment.
D) processed materials.
E) minor equipment.