- swaged crown
- تاج مطرق
English-Arabic Medical Dictionary. 2013.
English-Arabic Medical Dictionary. 2013.
Rifling — refers to the helix shaped pattern in the barrel of a firearm, which imparts a spin to a projectile around its long axis. This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy.Rifling is… … Wikipedia
Ferrule — A ferrule (a corruption of Latin viriola small bracelet, under the influence of ferrum iron. ) is a name for types of metal objects, generally used for fastening, joining, or reinforcement. They are often narrow circular rings of metal, or less… … Wikipedia