Scraper is not considered a principal tool of the early Stone Age. Hand axes, cleavers, and choppers are examples of tools that were commonly used during the early Stone Age for various purposes, including cutting and processing materials. Scraper tools are more commonly associated with the later stages of the Stone Age and were used for tasks like scraping and smoothing surfaces.

Gargi, Maitreyi, and Kapila were ancient Indian philosophers and scholars. The home of Gargi and Maitreyi was in Mithila, an ancient kingdom that corresponds to the present-day region of northern Bihar and parts of Nepal. Kapila was associated with the Sankhya school of philosophy and is often considered one of the founders of this philosophical tradition.