Around 4 months of age, your Lab puppy will begin replacing the milk teeth with adult teeth. At 6 to 7 months, the full set of 42 permanent teeth will be in.
(plural strike rates) ( 1 baseball) the number of runs of a batter divided by the number of balls faced. ( 2 cricket) the number of runs scored by a batsman per 100 balls faced; the number of balls bowled by a bowler divided by the number of wickets taken.  Link/Cite.
STRIKE: The direction of the line formed by the intersection of a horizontal plane with a bedding or fault plane. The trend of the rock/fault outcrop. DIP: The angle formed by the intersection of a bedding or fault plane and the horizontal plane; measured in a vertical plane perpendicular to the strike. This diagram uses Strike and Dip of repeating rock units to produce a geologic map and to infer the underlying fold. Notice the differential weathering of different rock layers, especially on the right side of the image.