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What is the purpose of providing a sill in a window frame?
52. What is the purpose of providing a sill in a window frame?
- Thermal insulation
- Aesthetic enhancement
- Weatherproofing
- Structural support
Answer
The correct answer is: C) Weatherproofing
Explanation
The sill in a window frame helps to prevent water ingress and ensures proper drainage, contributing to weatherproofing.