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Cov cuab yeej kuaj xyuas zoo

Npuag hydrostatic tester

Fabric-hydrostatic-tester

Cov dej nqus dej tester

Water-absorption-tester

Da dej

Water-Bath

Electronic scale

Electronic-scale

koob detectors

needle-detectors

Tensile tshuab

Tensile-machine

Dej siab tester

Water-pressure-tester

Lub neej ua haujlwm (1)

Work-man-shop-(1)

Qhov hnyav tester

Weight-tester

Lub neej ua haujlwm (2)

Work-man-shop-(2)