The last step to take when shutting off the entire welding unit after all welding is complete is releasing the adjusting screws on the pressure regulators.
Welding is a process of joining materials, usually metals or thermoplastics, It involves using high heat to melt the parts together. It also allows them to cool, causing fusion.
It involves various steps before and after welding.
To learn more about Welding here
brainly.com/question/21049525
#SPJ4
A place to fish
Fresh drinking water
Good farming conditions
Provides trading routes
The correct answer would be, The cost of living in United States could be much more higher than China.
The above mentioned statement could be a possible reason why a person earning 20k dollars in a year in United States could be considering living in poverty while in China it might not.
Explanation:
A person who earns $20,000 in United States could be considered living in poverty. This is because the cost of living in United states could be higher. For example the rent of the house where he lives might be higher as compared to other countries of the world. Similarly, food items, electricity, education and health care facilities might be much more expensive comparatively.
A person earning $20,000 in a year in China, might not be living in poverty, as the cost of living in China might be lesser than that of US.
Learn more about Cost of Living at:
brainly.com/question/2272319
#LearnWithBrainly
Your answer is A. Chanukah and St. Nicholas