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Types of fractions in mathematics. Improper fraction
Little Girl and Boy Upset at Each Other Vector Cartoon Illustration. Classmates failing to communicate properly feeling shy and embarrassed
Proper Lifting Technique Icon - Ergonomics, Safety and Health Warning
Histology microscope image of dense irregular connective tissue proper in dermis (400x)
The roof of the cottage is covered with soft tiles. Rainwater from the roof falls into the gutter. The drainage system of the roof. Draining rainwater. Proper equipment of the roof of the cottage.

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