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AERONAUTICS - NAVALS-RAILROAD
CHEMICAL ANALYSIS
PHYSICAL ANALYSIS
ARCHITECTURE-DECORATION
TABLE GLASSWARE
FANCY GOODS
AUDIT
BUILDING
BENDING
SANDCASTING
JOINING
CRYSTAL GLASSWORK
DECALS
BOTTLE DECORATION
CUTTING
WATERJET CUTTING
ACID FROSTING
ELECTRIC HOUSEHOLD APPLIANCES
ENAMELLING
EXPERT EVALUATION
FLAT GLASS/ MIRROR WORKING
SPINNING WITH A BLOWPIPE
FUSING
ACID ENFRAVING
DIAMOND WHEEL ENGRAVING
PRINTING / DECORATION
AUTOMOBILE INDUSTRY
INSULATION
LUMINAIRE
METALLISING
CASTING
OPTICS
PATE DE VERRE
PAINTING ON GLASS
SPRAY COATING
POLISHING
ACID POLISHING
RECYCLING PROMOTION
RESTORATION
SANDBLASTING
NO SPECIALITY
SATIN ETCHING
SCULPTURE
SCREEN PRINTING
SIGNAL GLASS
GLASS-METAL SEALING
GLASSBLOWING
LAMPWORKING
SURFACE WORKING
DECORATIVE CUTTING
KILNFORMING
SURFACE TREATMENT
CHEMICAL TEMPERING
THERMAL TEMPERING
PROTOTYPE / TROPHY CREATION
MACHINING
HOLLOW WARE
FLAT GLASS
TECHNICAL GLASS
GLASSWARE
LABORATORY GLASSWARE
MEDICAL GLASSWARE
STAINED GLASS
GLASS CERAMICS
CLOCK AND WATCH GLASS
SILVERING
TAMPOGRAPHY
SILICONING
NEON SIGN

JEWELLERY
STAINED GLASS PRESERVATION/RESTORA
REPAIR

MINIATURE BOTTLE
MANUFACTURE OF SMALL BOTTLES

STAINED GLASS - GLASS SLAB
LASER TECHNICS
FILIGRANA, MURRINE,MILLEFIORI
GLASS BLOWING : INCALMO
UNDERLAY,OVERLAY,GRAAL
PRESSED GLASS
TIFFANY