Concept:Heavy industries require large capital investment, advanced machinery, and large-scale production facilities.
Explanation:Heavy industries involve manufacturing large, complex products like ships and vehicles.
Shipbuilding needs huge shipyards, heavy equipment, and skilled engineers. It is a classic heavy industry.
Automobile manufacturing requires assembly lines, heavy machinery, and high investment. It is also a heavy industry.
Other options involve small-scale or light industries.
Textile tools and paint brushes are made in small factories with less capital.
Bulb manufacturing and fuse making are light industries with simpler processes.
Watchmaking and brush making require precision but not heavy machinery or large capital.
Thus, only Shipbuilding and Automobile fit the definition of heavy industries.
Answer:B. Shipbuilding and Automobile