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innate selection - GRADPOINT
innate selection - GRADPOINT
In general a female thread is cut with a tap. A male thread is cut with a die.
Female Pipe Thread? FPT = Female Pipe Thread MPT = Male Pipe Thread also seen as FIPT and MIPT (female iron pipe thread and male iron pipe thread).
Any time male/female is used to describe something in construction, it refers to which part fits into the other. The male threads into the female part. It is not a type of thread, but how it does it.
social behavior
No, it's not standard pipe thread.
Mostly a female bird has less color and the male bird is more colorful.
Mating behavior
A male bird is most commonly called a Cock.
Any male bird.
A male bird!