Arrange the following sentences in the correct order.
A. Put into a cylindrical mould, and fired in a kiln.
B. The core of a pencil is made of graphite, clay, and water.
C. Today, pencils are mass-produced by machines that cut down the wood, insert the lead, and stamp or print a design.
D. During the 17th century, the graphite and clay were grounded down by hand,
ABDAC
BBACD
CACDB
DDCBA
