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Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Root wedging
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Exterior View of Tholos, The So-called Treasury of Atreus