The view Fig. 52 shows the "perforator" and the tamping apparatus at work.
In slab work, the concrete is best compacted by tamping or rolling.
The cost of laying and tamping the concrete on the vaulting was 14 cts.
He put in the powder and tamping, and asked the other to hand him the tamping-bar.
"You guessed it," said Russ, tamping the tobacco into the bowl.
It is ...