An echocardiogram can utilize one or more of four special types of echocardiography: 1  M-Mode echocardiography: This is the simplest type of echocardiography. It produces an image that is similar to a line tracing rather than an actual picture of heart structures.
I do have a band saw use it for resawing and cutting curves . Its a item you could do without but once you have one you find you use it more then you think. You do need to have a few different size (width) blades to take full advantage of the tool. herrwood is offline.
Bow Saw. This saw is most commonly used for trees that are no wider than 6 inches in diameter. The saw is often used for cutting small logs and for use in woodworking. The tool has a narrowed toothed blade and is attached to a large handle that is as long as the blade. Use the tool by grabbing the handle with two hands.