This representation method should be more common abroad and is used to indicate whether the thread is an external thread or an internal thread. f: female, in drawings or samples of threads or joints, it means female thread or internal thread; m: male, it means male thread or external thread. p stands for. Female animals are those that produce ova, which are fertilized by the spermatozoa of males. The main difference between females and males is that females bear the offspring — and that.
Sexyy Red Pound Town (Spring Break Edition) (Official Video
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