Protection workspace pieces to plow the land; all tools and agricultural implements to "cut" the earth, that self-sharpening using tools and tips for digging.

Ploughshares Disc plow Surcadores Cultivators Vertederas
Heels plow Spikes chisels Tips harrow Aporcadores Trenchers
Scarifier teeth Cultivators Knives picks Subsoilers Blades desmalezadoras
Other parts that are protected

Heavy construction, mining and crushing and grinding

Cement, quarries and dredging

Iron and steel industry

Other uses