There are settings for both gas pressure and flow rate. These can vary depending upon the welding position, metal type/thickness, type of gas used, and conditions (wind, drafts etc.) My welding instructor told us that 20-20 is a good place to start (20 psi, 20cfm flow).
It is the one lettuce that doesn't have a lot of Vitamin K. One cup of iceberg lettuce contains only about 13 micrograms (mcg) of Vitamin K. This is a low amount and should be safe for you to use as part of your diet while on CoumadinÂ® (warfarin). Thanks for writing, Timothy S. Harlan, MD, FACP. Dr. Gourmet.
Median Amount. The median value of Vitamin K is found in Blueberries, frozen, unsweetened which in 100g contains 16.4 ug of Vitamin K. For this serving the amount of Calories is 51 kcal, the amount of Protein is 0.42 g, the amount of Fat is 0.64 g and the amount of Carbohydrate is 12.17 g.