Building Materials
The plywood

Has good strength along the panel only
Can be spilt in the plane of the panel
Cannot be bent more easily than ordinary wood of same thickness
Has greater impact resistance to blows than ordinary wood

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Building Materials
Putty is

Made with finely powdered chalk and linseed oil
All listed here
Used for fixing glass panes
Softened by a solution of pearl ash and quick-lime soaked in water

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