Get perfect plasma cuts every time with these pro tips on adjusting amperage and travel speed. Got a plasma cutting tip or trick to share? Drop it in the comments. | Miller Welders

Plasma therapy, an old method of fighting infectious diseases, has resurfaced during the Covid pandemic . Since the blood of people who have recovered from an infection contains antibodies that have learned to fight the disease, plasma from recovered patients is given to those suffering from COVID-19. We find out how effective this method is proving to be in India's fight against the pandemic. | NDTV