The phrase "all of which allow" is correct and usable in written English.
It can be used to refer to multiple items or elements that provide permission or capability in a specific context.
Example: "The new software features are user-friendly, all of which allow for easier navigation and improved productivity."
Alternatives: "each of which enables" or "all of which permit".
The Obama campaign said the new ad would run not just in Iowa but in Florida, Colorado and Nevada as well – all of which allow early voting.
Wizards and magicians appear frequently in such tales as "Sleight of Hand," "The Woman Who Married the Man in the Moon" and "What Tune the Enchantress Plays," all of which allow Beagle to showcase his effortless storytelling.
Professor Slovic and Professor Fischhoff and others have found that a risk imposed upon a person, like mandatory vaccination programs (nearly all of which allow people to opt out), feels scarier than the same risk if taken voluntarily.
If you are one of the millions who hasn't used their cash Isa allowance for this year, here are some of the best-paying variable-rate accounts available, all of which allow you to transfer in existing Isa balances held with other providers.
It is part memoir, part carefully annotated lyrics anthology, and part visual catalogue (there are many lavish illustrations), all of which allow Jay-Z, as Holdengräber noted, to become a critic of his own work, footnoting his lyrics in an almost Talmudic way, reading between the lines of his own verse.
If you're into this, compare it to AllRecipes, FoodNetwork and Google Recipes (part of Google Base), all of which allow searching by ingredients.
It offers substantial discounts on restaurants all over the UK, some of which allow you to book all the way up to and including Christmas Eve.
An ad hoc approach is to simply provide the raw output of all constituent prediction methods, some of which allow very clear interpretations of the flavor of disorder that they pick up.
All of which allowed her to earn a six-figure income from sponsorships alone.
All of which allows liberals to congratulate themselves on their tolerance.
All of which allowed him to buy a former horse ranch in Southern California in 1999 and indulge his restless imagination by building ramps.
