(616) Ay Ai - RRR RRR RRR RRR RRR RRR RRR RRR RRR RRR RRR RRR 

SOUND TUNING(5)
RAILWAY TRACK TOWARDS HORIZON.
SEE RAILWAY DIRECTION SLANTLY.
SPEED 2X - VIBRATION - NOISE CANCELLING
GLANCING
BUMPING SOUNDS TUNING
SMOOTHING BUMPING SOUNDS
SOUND SCANNING
NOZZLE BRUSHING
TOUCHING POWER
CONSONANT TOUCHING - MILD & WEAK
BRRR CRRR DRRR FRRR GRRR KRRR PRRR SRRR SCRRR
STRRR TRRR THRRR VRRR
POWER ENERGY
FOR 4D - SPEED 2X
SHREDDING
PIN PRICKING
RRR RRR RRR RRR RRR RRR RRR RRR RRR RRR RRR RRR