Slabing or Slabbing: How To spell?
The word Slabing is misspelled against Slabbing, an adjective meaning "Adapted for forming slabs, or for dressing flat surfaces."
Slabbing has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Sla & ing which should not be misspelled with single 'B'
Wrong Spelling:  Sla-b-ing  Correct Spelling:  Sla-bb-ing 
Find more wrongly spelled words of Slabbing to spell it well.