A list of sources you looked at while writing a paper
Answer:
In World War I, hand grenades were also known as “hand bombs.” The general philosophy for their use in the fighting armies was that grenades could kill the enemy underground or behind cover. ... Offensive grenades used concussion, or shock-waves, to wound, while defensive grenades exploded, scattering shell fragments.
Explanation:
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
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