The phrase "various different types of" is grammatically correct and can be used in written English.
Example: The supermarket carries various different types of vegetables, such as carrots, broccoli, and cauliflower.
On this latter point, Aristotle notes that according to his account, there are various different types of change and alteration, illustrated by the difference between a brown fence's being painted white and a builder's taking up his tools and beginning to build.
It neatly provides presets for various different types of document, such as one for credit cards.
The parts drawer and the RC toys and the various different types of solder and breadboards.
The various different types of structural and dynamic molecular information that can be obtained are illustrated.
And then there's Uber, which has experimented with various different types of delivery and certainly has built the logistics infrastructure to support it.
Finally, ESNs were successfully used as classifiers to characterise various different types of intervention that had taken place.
Current risk assessment procedure involves various engineering disciplines and several different types of documentation.
Both starburst amacrine cells and bipolar neurons come in various different types, but the arrangement of connections between them was not know in any great detail.
In cells of various different types, including cells in renal tubules and glomeruli, TIMP-2 is expressed constitutively [ 9].
It is agile because, by combining various objects, different types of design processes can be solved with the same agent-based framework.
In pathogens, we study the key virulence factors that are part of the invasion process, or pathogenesis, including various toxins, different types of secretion systems, or genes responsible for producing the key metabolites influencing the hosts.
