How were you going to solve the problem brought by earthquakes in south africa

Ensuring the safety of the people after the earthquake struck would be the main priority. Make sure there would be no occurrence of tsunami before deploying rescue operations. I would immediately deploy all of the necessary health equipment and personnel to the affected areas. Rescue operations must be started also to save those who were trapped by debris. Also the removal of live electrical wires is really important.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.