Tools & Resources. Most Men Don't Need PSA Tests, Doctors' Group Says. MONDAY, April 8 (HealthDay News) -- Men have long been encouraged to get prostate cancer screenings, but there's insufficient evidence that the benefits of a PSA test outweigh the substantial risks associated with the screening.
There are two types of crimp used when reloading handgun cartridges: the roll crimp and the taper crimp. Roll Crimping. With a roll crimp, the diameter at the very end of the case mouth is reduced, and rolled inward toward the bullet, leaving a slight radius at the top of the case.
Freebase(0.00 / 0 votes)Rate this definition: Taper. In cymbal making, taper refers to the gradual change in thickness from the bell to the rim of the cymbal. It is one of the key features that determines the tone of the cymbal. This change is typically not uniform, and it is extremely difficult to generalise on the effects of taper, just to say that they are profound.