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.
The food with the highest vitamin k content per typical serving is Cranberries, raw which contains 5.61 ug in 1 cup, chopped (or 110 g). For this serving the Calories content is 50.6 kcal, the Protein content is 0.43 g, the Fat content is 0.14 g and the Carbohydrate content is 13.42 g.