Pilan is 65 years old and works as an electrician. He is capable of continuing in this job, but has decided to retire. Viewed from the perspective of theory, Pilan's decision is functional for society as a whole.

disengagement theory

Explanation:

As per the disengagement theory, a person who ages must restrict him/herself from engaging in social activities starting from work to relationship.

Pilan in this case is an old mage man (65 years) and hence he must withdraw himself from work.

answer; i believe that the correct answer is (tabula rasa);

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.