The class is very active, lots of labs, going outdoors and making a lot of inferences. Basically what I'm saying is, it is fun, but extensive and I would not recommend it if you do not like science and have not taken an AP class before. If you are looking for an easy. AP class try psychology AP.
Raft Foundations. Raft foundations (sometimes known as Mat Foundations) are a large concrete slab which can support a number of columns and walls. The slab is spread out under the entire building or at least a large part of it which lowers the contact pressure compared to the traditionally used strip or trench footings.ummary: Find out about concrete Raft foundations; find out what they are and when they are typically used. This project will help you to make the decision to use a raft for your footing. We will help you to understand the advantages and disadvantages of using raft foundations.
These 10 animal facts will amaze you. A rafter is a type of internal vertical beam that holds up a buildingâs roof load, or weight from above, and constitutes a roofâs framework. Combined with rigid exterior materials such as plywood and shingles, most of these beams are designed to bend slightly under the weight of external forces.