The use of this machine has allowed a thin seam of cannel, from 10 to 14 in.
His tiny fist clutched the outer seam of her jeans.
Megan stepped forward and the heel of her sandal sank into a seam in the walkway.
In the oldest form of this class of working, where the size of the pillar is equal to the width of the stall or excavation, about 4 of the whole seam will be removed, the remainder being left in the pillars.
To secure the perpendicularity of the shaft, it is necessary to leave a large mass or pillar of the seam untouched around the pit bottom.