WHAT CONSTITUTES ARE THE UNORGANIZED SECTOR IN URBAN AREAS? WHY DO WORKERS IN THIS AREA NEED PROTECTION?

because we can't trust 100 percent in technology that it can handle and irban areas there are so many buildings that fall down while working and accidentally fall down

answer; i had to look this up and the only one i found was(last only 15 minutes) plz check first and good luck;