Etc

The aim of these tests is the examination of the weld without imparting any damage. These may include x-rays, hydrostatic tests, etc, and are also termed NDE or nondestructive examination and NDI or nondestructive inspection.

I visited several neighborhood parks that had extensive feeder operations, trail systems etc, and there were always family groups, often with very young kids as well as abuelas and abuelos, teenage boys and girls birding or hiking- it was really eye-opening to see a people immersed in the natural world around them.