How long do diamond polishing pads last?

How long do diamond polishing pads last? Polishing resin pads have more of a plastic appearance. They are thinner than hybrids, and are typically 2-4 mms thick. Polishing resin pads should last between 10,000 – 15,000 square feet. What are the different color buffer pads for? Always remember the following. Yellow buffing pads are meant […]

Which CIMA exam is the hardest?

Which CIMA exam is the hardest? According to CIMA website, the most difficult exam besides the Gateway (15% Pass rate) is the P2 (45%). As for the case study exams, I think they are more difficult to classify as they will measure a broader skill set (e.g. writing, conceptualizing, communication, leadership, etc.). Pass-rates vary from […]

What did the Zemsky Sobor do?

What did the Zemsky Sobor do? zemsky sobor, (“assembly of the land”), in 16th- and 17th-century Russia, an advisory assembly convened by the tsar or the highest civil authority in power whenever necessary. What was the assembly of the land? The term “zemsky sobor” is translated as “assembly of the land”. In the 16th–17th centuries, […]

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