Assertion: lathe's type | /r/CapableOf | use half nuts
Facets:
value: for longitudinal powerfeed
type: PURPOSE
value: for threading
type: PURPOSE
Source sentences:
text: Certain types of lathes (Atlas for example) which use the half nuts for longitudinal powerfeed as well as threading, can exhibit excessive leadscrew wear (this will be discussed later in the brand specific advice collumn.)