ZK –PDC belt balance is suit for all kinds of belt transported machines for solid material . and the material include : raw coal, sand, fingerstone and so on .
His finger is poised over the Manual Fire button in case the thrusters don't kick in at the right instant, which could cause the Soyuz to skip off the edge of the atmosphere like a stone on a pond.
When the Lord finished speaking to Moses on Mount Sinai, he gave him the two tablets of the Testimony, the tablets of stone inscribed by the finger of God.