Related diversification,unrelated diversification

A manufacturing company with the following business divisions and products:

1 .Industrial process division pumps,values and monitoring and control systems;aftermarket services for the chemical,oil and gas,mining,pulp and paper,power,and bio pharmaceutical markets.

2 .Motion technologies division-durable brake pads,shock absorber,and damping technologies for the automotive and rail markets.

3 .Interconnect solution-connection and fittings for the production of auto mobiles,aircraft,rail cars and locomotives,oil field equipment,medical equipment’s and industrial equipment.

4 .Control technologies- energy absorption and vibration dampening equipment,transducers and regulators,and motion control used in the production of robotics,medical equipment’s ,auto mobiles,sub sea equipment,industrial equipment,aircraft and military vehicles.

Based on the above listing,would you say that the company business line up reflects a strategy of related diversification,unrelated diversification or a combination of related and unrelated diversification?what benefits are generated from any strategic fit existing between the company’s businesses? Also what types of companies should the engineering and the manufacturing company consider acquiring that might improve shareholder value? justify your answer