Ключевые слова:
Dental equipment, Air motors, Dental handpieces, Dental instruments, Dentistry, Pneumatic equipment, Pneumatically-operated devices, Classification systems, Sampling methods, Performance, Flow rates, Torque, Sound intensity, Noise (environmental), Instructions for use, Temperature rise, Marking, Performance testing, Flow measurement, Acoustic measurement, Burst tests, Dielectric-strength tests, Electrical testing, Design, Strength of materials