Abstract: Disclosed is a transparent ice manufacturing system including a reservoir tank, in which a liquid is stored, a mold having a cavity, in which the liquid supplied from the reservoir tank is filled to form ice, a cooling part that cools one area of the mold to manufacture ice while freezing the liquid from the one area to an opposite area of the mold, and a fluid circulation part provided between the reservoir tank and the mold, and that circulates the liquid between the reservoir tank and the cavity while the liquid is frozen in the cavity.

Abstract: Disclosed is a transparent ice manufacturing system including a reservoir tank, in which a liquid is stored, a mold having a cavity, in which the liquid supplied from the reservoir tank is filled to form ice, a cooling part that cools one area of the mold to manufacture ice while freezing the liquid from the one area to an opposite area of the mold, and a fluid circulation part provided between the reservoir tank and the mold, and that circulates the liquid between the reservoir tank and the cavity while the liquid is frozen in the cavity.

Abstract: Disclosed are a vehicle interior material having a stitch line and a method of implementing the stitch line on the vehicle interior material. The vehicle interior material includes a base material including a plurality of protrusions on a surface thereof, and a skin configured to cover the surface of the base material and including a plurality of holes into which the protrusions are fitted to be exposed to the outside in order to form a plurality of imitation stitches, wherein the plurality of imitation stitches is arranged in a row to form a stitch line, and the base material includes a main body and a coupling member coupled to the main body and including at least one of the protrusions.