Cheong Yean Ping, 60, isn't your average grandmother who prefers to watch TV or read the newspapers during her free time. Whenever she has extra time on her hands, she'd be rearranging grinding pads ...
Slurry dumped by stone cutting and grinding units in clusters has become a cause of concern as it is detrimental to environment. Disposal of waste and slurry generated during dressing, sawing and edge ...
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