SISSVoc Default

rotary hammer drilling

http://resource.geosciml.org/classifier/cgi/boreholedrillingmethod/rotary_hammer_drilling

notation 2.3 more like this
definition A percussion drilling method using a cutting tool powered by compressed air that creates a rapid percussion effect coupled with rotary action to drill hard rocks. more like this
source This vocabulary more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/boreholedrillingmethod/percussion_drilling original
narrower rotary_hammer_drilling original
in scheme boreholedrillingmethod original
is primary topic of rotary_hammer_drilling