The meninges are three layers of connective tissue that surround both the brain and spinal cord to form a complete enclosure (Fig. 6-3) . The outermost of these membranes, the dura mater, is the thickest and toughest of the meninges.he meninges are three layers of connective tissue that surround both the brain and spinal cord to form a complete enclosure (Fig. 6-3) . The outermost of these membranes, the dura mater, is the thickest and toughest of the meninges.
These are generally made of wood, steel, or concrete. While concrete is the most durable, it is also the most expensive and the most difficult to install. Steel ramps are more durable than wooden ramps, though they tend to be heavier, more expensive, and heat up in the sun. Wooden ramps are the most aesthetically pleasing, but need to be weatherproofed and treated in order to last. Depending on the type of wood and other specifications, a permanent wheelchair ramp used to reach a height of 30 inches (30 feet long) can cost between $3,500 and $8,000, or between $100 and $250 per linear foot.
Make yourself a set of ramps... For slammed stangs and the DIY'er If your stang is lowered more than 2 inches, or you just find it a PITA to lift the front of your car then you might need to make yourself some MW ramps :-) (DIY means Do it yourself of course). Our stock 2000 on the ramps.e wanted ramps that addressed all these problems that were the same price or less to make than some store bought ramps. Let's Build. MW Ramps sketch. Cost to make: Around $30 in wood. Materials: 2 x 10 x 10 foot (two), 2 x 10 x 8 foot (two) and a 2 x 3 x 10 piece.