What are the two ways in which the Constitution can be amended? And how many votes are needed in order for it to be approved?

I believe in order for the Constitution to be amended, one way is that 2/3 (two-thirds) of both houses of Congress needs to vote to propose an amendment, and the other way is to two-thirds of the state legislature ask Congress to call a national convention to propose amendments.

Explanation:

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.