Final answer:
The director used the man's tool resembling a gun in 'Invention of Love' to foreshadow the creation of a mechanical heart.
Step-by-step explanation:
The director Andrey Shushkov made the man's tool resemble a gun in the play 'Invention of Love' as a symbol to foreshadow the creation of a mechanical heart. The gun represents the man's tool for creating the mechanical heart, emphasizing the idea of mechanical and artificial life. It does not symbolize killing the woman or animals, nor do the gadgets have the purpose of killing, but rather the creation of a mechanical heart.
Learn more about Symbolism in the play 'Invention of Love'