Industrial Design - Aircraft Design - Mechanical Design - Civil Design Seismic design of shelves - Drive in / out for warehouse - Advanced Composite Design - Mechanical and Industrial Plants - Tanks and Piping Design lines - Designing Electrical Systems - Acoustics and Vibration - Soundproofing - Thermal Insulation Structural Calculations - Consulting and technical skill Software and calculation procedures and Manuals Occupational SafetyWe design and assemble acoustic device as Pink Noise Generator for Audio Testing, tapping machine,omnidirectional noise sorce made of twelve loudspeaker mounted in dodecaedron case We buy Sound level meters [real time whit reverberation time measurement equipment for sound decay analysis,to measure reverberation times using either the interruption of the sound source or the impulsive source techniques. The analysis either wideband or with octave and third octave bandwidths.with A, C or Z wideband level time weightings: FAST, SLOW and IMPULSEclass 1 according to IEC 61094-4 ]