Use "ferromanganese" in a sentence

1. Our main products include ferroalloys like ferro-phosphorus, ferro-phosphorus micro-powder (ferrous phosphide Micro-powder), ferrotitanium micro-powder, ferrosilicon and ferromanganese.

2. Considerable accumulations of ferromanganese Concretions (nearly 10 percent of the entire area of the ocean floor), which are of practical interest, are located on the surface of the floors of the Pacific, Atlantic, and Indian oceans.