How blacksmiths fix metal rims on wooden wheels.
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Answer:
Polycystic ovary syndrome (PCOS) is a set of symptoms due to elevated androgens in females.[4][14] Signs and symptoms of PCOS include irregular or no menstrual periods, heavy periods, excess body and facial hair, acne, pelvic pain, difficulty getting pregnant, and patches of thick, darker, velvety skin.[3] Associated conditions include type 2 diabetes, obesity, obstructive sleep apnea, heart disease, mood disorders, and endometrial cancer.[4] It is sometimes referred to as polycystic ovary disease (PCOD) when there is ultrasonographic evidence of the presence of ovarian cysts.
Answer:
For fixing the metal rim on a wooden wheel, the metal rim is made slightly smaller than the wooden wheel. On heating, the rim expands and fits onto the wheel. Cold water is then poured over the rim, which contracts and fits tightly onto the wheel.This is how the blacksmith fix metal rims on wooden wheel...
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