What activities in prison give the speaker a sense of liberty?

According to articles 21 and 22 of the Standard Minimum Rules for the Treatment of Prisoners passed by the United Nations. A prisoner has the right to:

Prisoners are also assigned outdoor work in some circumstances.

All of these activities help a prisoner have a sense of "freedom" during his time in prison.

corrupt also means cruel

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.