@LAlethea61210 At second 9 he places the 11th pc on the 3 row. Then he places the 12th pc on the by the 11 second on the 4th row. In those 2 seconds a 1 pc magically appears that he did not place on the 3rd row that had been covered by his hand from cameras view!
@salmamatori Oh god! There is world shortage of spark plugs, that we need to use a welder & lathe to refurbish them instead of spending $3-10 on a new ones!