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.
The saw is used to slash through schools of fish, stunning or lacerating them before they are consumed. Sawfish can also use their saw to defend themselves from larger predators like sharks. The smalltooth sawfish has 22 to 29 unpaired teeth on each side of the saw.