Mobile balers, machines which gather and bale hay in one process, were first developed around 1940. The first balers produced rectangular bales small enough for a person to lift, usually between 70 and 100 pounds (32 and 45 kg) each. The size and shape made it possible for people to pick bales up, stack them on a vehicle for transport to a storage area, then build a haystack by hand.
From Wikipedia, the free encyclopedia. An F1 hybrid (or filial 1 hybrid) is the first filial generation of offspring of distinctly different parental types. F1 hybrids are used in genetics, and in selective breeding, where it may appear as F1 crossbreed. The term is sometimes written with a subscript, as F1 hybrid. The offspring of distinctly different parental types produce a new, uniform phenotype with a combination of characteristics from the parents.
filicide - a parent who murders his own son or daughter. genitor - a natural father or mother. female parent, mother - a woman who has given birth to a child (also used as a term of address to your mother); the mother of three children. stepparent - the spouse of your parent by a subsequent marriage.