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.
Welcome to the nutritional potassium content in 1 different types of iceberg lettuce, ranging from 141 mg to 141 mg per 100g. The basic type of iceberg lettuce is Lettuce, iceberg (includes crisphead types), raw, where the amount of potassium in 100g is 141 mg. This is 3% of the potassium RDA, from 100g of Lettuce, iceberg (includes crisphead types), raw.