If the scout can demonstrate the he can use a tool safely and correctly then he should be allowed to use it. I grew up using a welder when I was 12 and all sorts of saws and drills and even cutting torches by age 10.
Eat foods rich in Vitamin B-6: Foods with vitamin B-6 have a number of benefits after you give blood. Your body needs the vitamin to build healthy blood cells and it helps the body break down proteins. Because proteins contain many of the nutrients you need after giving blood, eating vitamin B-6 foods can be helpful.
Enhancing Recovery. When you are recovering from giving blood, you can do a few things in addition to waiting five hours to enhance your recovery so you can get back to running. Make sure you drink plenty of fluids in the 24 to 48 hours after your donation. Try to eliminate caffeinated and alcoholic beverages so you are well hydrated.