Rakha Prasetiajaya has extensive experience in the waterproofing industry, serving as Pemimpin at Waterproofing Specialties Inc. since January 2001, where responsibilities include addressing leaks and filling gaps in deteriorating concrete. In addition, Rakha has been a Specialist Waterproofing at Consolidated Waterproofing Contractors, Inc. since January 2005, focusing on concrete injection waterproofing. Rakha holds a D3 degree in Economics and Business from Universitas, completed between 2000 and 2018.
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