What divisions of labor does Adam Smith talk about for the wool and linen industry in 1776?

Adam Smith famously said in The Wealth of Nations that the division of labor is limited by the extent of the market. This is because it is by the exchange that each person can be specialized in their work and yet still have access to a wide range of goods and services

a. the astrolabe could determine the correct latitudinal location of the ship

i think it would be a