Question

what do u mean by primary secondary and tertiary sectors

Answer 1

Raw materials sector known as primary sectoror primary production. These are the products of agriculture, crop production, animal husbandry, fisheries, forestry and mining. The tertiary industry is the segment of the economy that provides services to its consumers, including a wide range of businesses such as financial institutions, schools and restaurants. It is also known as the tertiary sector or service industry sector.
Hope it help you.

Answer 2

$\bold{ \mathfrak{ \color{blue}{primary \: Sector}}}$

These sector are based on natural resources. For Example, Hunting , Collection of forest produce, animals rearing, Fishing, farming, agriculture and mining .

•
$\bold{ \mathfrak{ \color{yellow}{secondary \: Sector}}}$

These are the Sector which transform primary goods which are directly useful to man .For Example manufacturing industrial,
Manufacturing Goods e.t.c

•
$\bold{ \mathfrak{ \color{green}{tertiary \: Sector}}}$

These are the Sector that render the service. For Example:; teaching, railway, learning, saving, LIC funds e.t.c

Main difference in joint sector and private sector;-

•Better job opportunities

•Higher Wages

•Hope for better way of Life

•Better health insurance and facility

•Better Educational facilities

•Promotion of welfare of municipal employee