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asnt
ndt
#ship leak infrared ir lt vt rt pt mt ut ndt asnt
leak testing
leak
نشتیابی
نشتی
leakage
pipeline
oil and gas
petroleum
lt
coating layer machin
creativity
innovation
innovación
خلاقیت
پرهام میرفلاح
کوتینگ
coating
parham mirfallah
#leak
#lt
specification
procedure
safety
tanks
electricity
تست_غیر_مخرب
ترمیم
میراث فرهنگی
maintenance
acoustic testing
thermography
heritage culture
acoustic
ultrasound
pipe
clean room
tracer
hydrogen
natural gas
underground
gas
sensitivity
corona virus
covid19
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