The correct answer is: Johannesburg!
Johannesburg is in fact the capital of Guanteng and one of five districts in this province.
It is however not the capital of South Africa, which is a status shared by three cities: Pretoria, Bloemfontein and Cape Town (with Pretoria having the primary status).
Porosity is a cavity-like discontinuity and occurs due to the entrapment of gases in the molten weld pool. These entrapped gases don't get a chance to escape from the molten weld pool and hence cause porosity.
<h3>Which discontinuities are caused during welding?</h3>
Weld discontinuities can be defined as "an interruption of the typical structure of a weld, such as a lack of homogeneity in the mechanical, metallurgical or physical characteristics of the weld." Porosity is considered to be the most critical discontinuity. Weld discontinuities include porosity, incomplete fusion, excessive melt.
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Answer: Fear.
Explanation:
Deming believed that if fear is removed from the workplace productivity would increase also, this is true because fear reduces the self-confidence of the employees, leading to mistakes from them. If fear is absent in a workplace, workers would become more confident in their job duties, and less mistakes are made, hence more productivity.
This is from Thomas Paine's book Common Sense that was published in January of 1776.
