"each one requires" is a correct and usable part of a sentence in written English.
You can use it when you want to indicate that different elements or individuals each have their own specific needs or requirements. For example: "Each one of the students in the class has a unique set of skills; each one requires individualized attention and support to reach their full potential."
Each one requires several voting booths and election judges to help people through the process.
And with video games becoming increasingly complex, adapting each one requires considerable time, resources and dedicated teams of specialists.
Gerson mirrors his world in many ways that Delaruelle did not investigate, and each one requires demonstration.
Transaction costs, too, are different in each canton, but Mr. Colle said each one requires buyers to pay a stamp duty and a tax.
"Every one of these issue areas will involve a major investment of the size you can announce because each one requires a level of resources of that magnitude to have an impact," Mr. Ubiñas said.
Modern electric motors are compact, extremely efficient and emissions-free at the point of use but each one requires a battery to store and deliver power, and that is where electric vehicles (EVs) stumble.
When all's said and dOver ithe probably best to leave the dealinexto the dealers and the cooking ofeweef Wellingtons to the cooks.
On one night last month, students said, there were three such alarms, each one requiring the evacuation of the 600-student building.
These radio appearances were not only painful, they were time-consuming: each one required that he be prepped as if facing prime minister's questions – on subjects ranging from the latest developments in Syria to the case of a Sheffield United footballer charged with rape.
Ms. Scheinberg loved to cook for the holidays and each one required her to indulge her husband's idiosyncratic tastes.
In a country without fences or "No Trespassing" signs, we had an abundance of places to camp, but each one required a certain amount of searching nonetheless.
