The phrase "are generally created" is correct and usable in written English.
It can be used when discussing the typical process or method by which something is made or established.
Example: "These guidelines are generally created to ensure consistency and quality across all projects."
Alternatives: "are typically formed" or "are usually developed".
However, modern homozygous lines are generally created in two generations using stocks called haploid inducers (Prigge et al. 2012).
The lists, which each have tens of thousands of addresses, are generally created by a process called e-mail appending, taking voter registration files from a member's district.
For high-tech employment the multiplier is much higher, however; 5 jobs in non-tradable industries are generally created for each job in high tech.
These models are generally created using different simulation tools and depend on the inputs from each other to perform numerical integration.
Temporary colostomies and ileostomies are generally created by bringing a loop of the intestine near the surface of the abdomen and severing it, opening both ends to the outside.
In Western art, illusions of perceptual volume and space are generally created by use of the linear perspectival system, based on the observations that objects appear to the eye to shrink and parallel lines and planes to converge to infinitely distant vanishing points as they recede in space from the viewer.
As Robert Knapp points out in "Invisible Romans" (Harvard; $29.95), "What survives was generally created by or for the rich and the powerful, and hides the actions and perspectives of any but their own class".
They're generally created by a task force appointed by the state's Board on Aging.
They were generally created by public institutions hoping to encourage economic development.
The soon bucket is generally created using an after-tax account so there are no IRS penalties for accessing this money before retirement age.
In contrast, kindergartens and pre-primary classes were generally created by the middle-classes to prepare young children for primary schooling.
