Şunu aradınız:: perforēšana (Letonca - İngilizce)

perforēšana
tapping

perforēšana ar centra urbi
punching with a centre drill

perforēšana ar centra perforatoru
punching with a centre punch

perforēšana traumas, no otras puses,, ir brūce vai svešķermenis, kas pilnīgi iet caur radzeni vai sklēras. lieki teikt, pēdējais ir lielāks risks redzes.
in medical terms, a penetrating injury is a wound, or foreign object that enters the eye but does not completely pass through the cornea or sclera. a perforating injury, on the other hand, is a wound or foreign body that completely passes through the cornea or the sclera. needless to say, the latter is a greater risk to vision.

presēšanas, štancēšanas vai perforēšanas instrumenti darbam ar metāliem (izņemot apstrādājamā parauga un instrumenta turētājus darbmašīnām vai rokas instrumentiem)
pressing, stamping or punching tools for working metal (excluding work and tool holders for machines or hand tools)