Hammer Test NJ80
When testing the strength of concrete,
the concrete test hammer uses a certain elastic force to transit the
Impact force of an impact hammer to the surface of concrete,
its....
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Piping and Pipe Fitting
Pipa and sambungan pipa, elbow, tee, reducer, valves, flange, etc.
Helmet, hood, masker, breathing apparatus, ear plug, safaty glass, ....