Hopefully this should help you
http://gcc.glendale.edu/fire/Documents/ClassMaterials/Ropes/Ropes-VFA08.pdf
Knots start on page 35
plz thank me, it motivates me to answer more of your questions :)
Answer:
Carbon monoxide detector ,Emergency fire up ladder
Explanation:
Safety precaution
Light-sensitive cells in the retina at the back of our eye allow us to see. The human eye has two types: cones and rods. Rods are extremely efficient; a tiny amount of light can trigger them. They are responsible for our night vision.
I would say LUNGS as when you are smoking marijuana you are usually inhaling it into the lungs
Studies between the effects of marijuana on the brain are still in progress but I don’t think you will get brain cancer from smoking so I would say the lungs on this one
