Документ - методика испытаний. Перечень испытаний, которые должна пройти некоторая конструкция:

Bearing unit DE vertical and horizontal
Bearing unit NDE vertical and horizontal
Bearing unit HL vertical and horizontal

Shaft DE 45 left and 45 right DE-view
Shaft NDE 45 left and 45 right DE-view
Shaft HL 45 left and 45 right DE-view

Заранее спасибо за помощь

Nondestructive testing and evaluation (NDT, NDE)
Testing and evaluation methods that do not damage or destroy the product being tested.
HL - Hit list?

Константин.