An exact reproduction of the form and relief of the object surface. May be accomplished in any other material.

Rock drawings' copying is fulfilled by spreading a specially selected composition on the stone surface resulting in a high quality mould.

The casting technology exclude an unfavorable exposure or brought in changes in a structure of the monument material.

The casts of the four present Sychachi-Alyan petrogliphs are produced for an indoor exposition.

The materials employed:

• Tonetad high reliability plaster
• Light-weight filling
• A special water-duct impregnation

In December, 2002 there had been installed two outdoor information stands in the first and second places by Sycachi-Alyan. They hold also copies of the famous Sycachi-Alyan mask.

The materials used:

• frame and the information desks - stainless steel
• stella - toneted highly-durable concrete, a basalt filling, a water-duct impregnation.