A penetration test attempts to puncture the boxes by dropping from 10 feet a 500-pound weight with a steel pin attached.
22.
Looking like fossil vertebrae, the patches over the stainless-steel pins, installed according to the firm's directives, are visible on close examination.
23.
The CPX-1 is a locked breech design that uses an aluminum receiver set inside the polymer grip housing and attached with steel pins.
24.
And so, the team inserted four steel pins into the limestone to affix the chunk of mane to the body of the lion.
25.
They were hurled at a steel pin driven into a three-foot square clay bed, with the common length of the green being 18 yards.
26.
The collapse was blamed on the failure of the steel pins to hold the horizontal beams together and inadequate inspection prior to the collapse.
27.
Surgeons at Britain's Northampton General Hospital last week inserted a 30-centimeter steel pin in the leg to help heal fractures in the tibia and fibula.
28.
The Apache that Henry Fowler and fellow test pilot Stu Park climbed aboard on June 17, 1985, had solid steel pins in it, Fowler said.
29.
A 2-foot ( 60-centimeter ) stainless steel pin and a coating of modern epoxy anchored each stone to a foot-thick ( 30-centimeter-thick ) granite base.
30.
Doctors operated on the boy for about 45 minutes Wednesday, installing four steel pins in his shattered left thigh bone, said orthopedic surgeon Richard Reynolds.
