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.
You should eat a regular meal and drink plenty of fluids one to two hours before donating platelets. We also suggest that you increase your consumption of calcium-rich foods (such as dairy products) or take a calcium supplement the evening before your donation and also the morning of your donation.