English to Italian Tech/Engineering Chemistry; Chem Sci/Eng Ballistic resistant articles comprising elongate bodies

Si tratta del brevetto Ballistic resistant articles comprising elongate bodies.
Al termine della detailed description trovo le frasi seguenti:
Test shields were manufactured as follows.
Monolayers of adjacent tapes were prepared.
The monolayers were provided with a matrix material.
The monolayers were then stacked, with the tape direction of the tapes in adjacent monolayers being rotated with 90°.
...
The shields were tested as follows.
A shield is fixed in a frame.
An aluminium bullet with a weight of 0.56 gram is fired at the center of the shield.

Grazie.