Construction Skills Certification Scheme (CSCS) Practice Test 2025 - Free CSCS Questions and Study Guide

Question: 1 / 400

Which activity does not create harmful silica dust?

Cutting concrete blocks

Sawing timber or plywood

Sanding timber or plywood generally does not create harmful silica dust, as these materials typically do not contain significant levels of silica. Silica dust is primarily generated from activities involving materials like concrete, brick, and stone, which have high silica content.

In contrast, cutting concrete blocks, drilling into brick, and sanding concrete surfaces all involve materials rich in silica, leading to the creation of harmful dust that can be dangerous when inhaled. This is significant in construction and renovation environments, where controlling exposure to silica dust is essential for worker health.

Thus, the selected activity of sawing timber or plywood is accurate because it largely avoids the risks associated with silica dust while other activities mentioned involve processes that can introduce hazardous dust into the work environment.

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Drilling into brick

Sanding concrete surfaces

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