Technical and industrial:

• Technical projects of railway tracks
• Technical documentation of power units, turbine sets and boilers
• Technical documentation of ventilation and air condition exchanges
• Manuals of ventilation and air condition exchanges
• Technical diagrams
• Technical articles concerning ventilation and air conditioning
• Technical and motional documentation
• Descriptions and manuals of printing machines
• Technical documentation of water purification systems
• Material delivery price lists
• Household goods and audio-visual equipment manuals

Chemical and medical:

• Medical apparatus and equipment manuals

Economic and legal:

• Offer inquiries, offers, commercial and other contracts
• business correspondence
• reports, balance-sheets, statements, staff documentation