The phrase "all of which prevent" is correct and usable in written English.
It can be used to refer to multiple items or factors that collectively serve to stop or hinder something from happening.
Example: "The various regulations and policies, all of which prevent unauthorized access, are crucial for maintaining security."
Alternatives: "all of which hinder" or "all of which stop".
Traditional building automation systems rely on fairly inaccurate occupancy sensors and basic predictive control using oversimplified building thermal response models, all of which prevent such systems from reaching their full potential.
Yet many Latinos and other diverse groups have and continue to battle political disenfranchisement through redistricting, increased barriers to voting, and discrimination, all of which prevent them from fully realizing the American Dream.
These provisions include standards to lengthen patent terms, expand the criteria for which countries must grant drug patents, require countries to issue new patents on minor alterations to a drug, and establish barriers on the use of pharmaceutical test data, all of which prevent market competition from generic drugs.
Improved sanitation includes clean, safe toilets, wastewater management and hygiene promotion, all of which prevent the transfer of pathogens in human excreta.
Such rules would replace today's patchwork of regulations, none of which prevent such patents.
"It creates a density of current and uniform temperature across the plate, both of which prevent sulfation".
The 2i consists of MEK- and GSK3b-inhibitors, both of which prevent differentiation of mouse ESCs.
We isolated two alleles of Cbr-lin-39, both of which prevent VPC induction.
These findings suggest a crucial role for RanBP2 in proper mitotic progression and chromosomal segregation, both of which prevent apoptosis.
A much better case can be made that liberty emerged because of the legacy of the Greeks and Romans and took root because of the great gaps in power caused by European geography, the weakness of rulers and the struggles between church and state, all of which prevented the emergence of a controlling imperial power capable of crushing freedom.
I have an immune-system disorder (impairment) that causes me frequent physical discomfort and has reduced my energy and stamina by about 50% (disability), all of which prevents me from engaging in my normal level of personal and professional activity (handicap).
