Family relationships (1) History (1) Biography (1) Assaying (1) Biography (1) Violence (1) Streets (1) People with social disabilities (1) Pipe (1) Physics (1) Outcasts (1) Men (1) Marginality, Social (1) Life (1) Homelessness (1) Homeless persons (1) Friendship (1) Cities and towns (1) Building (1) Biography as a literary form (1) Narrative inquiry (Research method) (1) Research (1) Analysis (1) Sexual behavior (1) Population (1) Friends and associates (1) Family (1) Personas sin techo (1) Tuberías (1) Marginación social (1)