kapillaarmeetodil põhinev mittepurustav katsetamine pinnani ulatuvate defektide avastamiseks poorsuseta materjalides (vt vedelikkapillaarkatse), nondestructive testing based on the wetting the surface of a workpiece, flowing over the surface to form a continuous and resonably uniform coating and then migrating into cavities that are open to the surface (see: liquid penetrant test)