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Instrument and meter
Luminous flux meter (Lumen meter)
Double joint pen tire pressure gauge
FX-101 Illuminometer
Impact tester paint film impactor (1 meter)
Black and white grid coverage QZP
Paint film cylindrical bending tester QTY-32
Mohs scale
Babbitt hardness tester. 2
Baige Knife QFH
Handheld sugar meter (refractometer)
Successful operation!