Plywood availability — what is the typical lower-end thickness range in which commercial plywood sheets are normally supplied? Pick the most appropriate range.
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A1 mm thick
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B2 mm thick
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C2 to 3 mm thick
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D3 mm to 4 mm thick
Answer
Correct Answer: 3 mm to 4 mm thick
Explanation
Introduction / Context:Plywood is manufactured by cross-laminating veneers to produce sheets with improved dimensional stability and strength. Commercial availability spans a range of standardized thicknesses depending on grade and application (furniture, paneling, shuttering, etc.).
Given Data / Assumptions:
- Considering common commercial plywood (not specialty veneer or aircraft-grade exceptions).
- Focus is on the typical lower-end sheet thickness readily available.
- Regional standards may vary slightly, but common practice applies.
Concept / Approach:In many markets, the thinnest widely available plywood sheets start around 3 mm to 4 mm for general use. Ultra-thin 1–2 mm sheets are usually veneers or specialty products, not standard plywood stock for typical building/furniture work.
Step-by-Step Solution:
1) Identify standard thickness series (e.g., ~3, 4, 6, 9, 12, 16/18 mm etc.).2) Exclude ultra-thin veneers that are not typical plywood sheets.3) Select the common lower-end range: 3–4 mm.4) Conclude option D as the best answer.Verification / Alternative check:Supplier catalogues and building material standards commonly list 3–4 mm as the thinnest routine plywood options.
Why Other Options Are Wrong:
- 1 mm, 2 mm, 2–3 mm: These are veneer/specialty ranges, not standard plywood sheets for general distribution.
Common Pitfalls:Confusing veneer thickness with plywood sheet thickness; plywood is multiple veneers cross-laminated.
Final Answer:3 mm to 4 mm thick