Yes, that's BLOOD. My dad shot himself with a nail gun. Now the kids pray for his safety everyday!
Plumbing=Guts
Heating=Lungs
Electrical=Blood
Thanks to my insistent mother and diligent father we have chalked lines on the basement floor and can walk around from 'room' to 'room'. It even feels large, and the best part is finally going from the paper plans we drew up a year ago to walking around on it!