Clean up purge air unit motor and filter purge air unit for Dust Hunter and Flowsic 100-swivel window dust hunter for T/R and R unit and transducer A & transducer B for Flowsic from dirty of dust. Do alignment dust hunter T/R and R dust hunter. Clean up CEMS room, CEMS gas room and filter cabinet MCS 100 E from dirty of dust ( RIZAL & ANDRI )