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.
Scroll Saw. A scroll saw is a small, stationary power saw designed to make intricate curved cuts. The saw features a small table on which the work piece is rested, similar to a band saw, but unlike a band saw, in which the blade is a rotating continuous band, a scroll saw's blade is moved up and down by a reciprocating mechanism. Smaller scroll saws may be battery powered, but most have motors that must be plugged into an electrical outlet.