knock two objects together / discuss in advance

a fire

a fire / one of the five classical elements in traditional Chinese philosophy and medicine: see Wu Xing on Wikipedia.Wikipedia

fire / light / burning / passion / imminently / explosive

Antares, in the constellation Scorpio

fire

be successful in life, build a fortune, rise

transcription from audio

a stone / (slang, electronics) a transistor

for grains of rice; one koku is equal to approximately 180 litres / (by extension, historical) for land of famous daimyo or samurai; one koku is also approximately 180 litres