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.
Report Abuse. Turtles seem to be most interested in lettuce, but never feed your turtle iceburg lettuce. I feed my Red eared slider lettuce, and she seems to really like it. I think lettuce is the best thing it can eat as far as vegetables go, but you should do some research on what vegetables you can feed it.hey need leafy greens Romaine, Butter lettuce. (Iceberg and cabbage are bad for them, any other leafy greens will do) for vitamin A that they need at least 4 to 5 times a week. They love grapes and strawberries and squash, apples cut up Basking to get vitamin D.. Source(s): Mom to one 37 yr old slider girl now.