The phrase "an indoor one" is correct and usable in written English.
It can be used to specify that something is designed for or suitable for indoor use, distinguishing it from outdoor options.
Example: "I prefer an indoor one for the winter months when it's too cold to be outside."
Alternatives: "an inside version" or "a domestic one".
All the extra clothing and training ground music in the world will not entirely prepare you for the full-on Millennium experience, whether it be an indoor one or not.
And what about the roof, which was drawn across the arena after an hour and 11 minutes of the match, turning an outdoor event into an indoor one?
In the 1950s, Gruen wanted to make a fake town, an indoor one with elevator music, to tempt American suburbanites out of their cars to walk around, to meet one another and communicate, as though they were in a city.
At 2.41pm, as the chanteuses Katherine Jenkins and Faryl Smith gave a full-throated rendering of Amazing Grace, the Centre Court's new canopy began the sedate crawl that transformed the great outdoor arena into an indoor one.
Mrs. Paterson said using the house made practical sense; the couple own a 2,600-square-foot 2,600-square-foot 2,600-square-footwhy not rent it out and trade up to a 29,500-square-foot, 40-room mansion with two pools (an indoor one was built for Franklin Delano Roosevelt), a tennis coloniald staff of a dozen?
So why buy Nest's outdoor build instead of just getting an indoor one and slapping it in an enclosure?
The new collector types and the developed humidifying and dehumidifying equipment are a part of an indoor one-stage-plant consisting of a solar simulator and an air humidifying loop in Bochum, Germany.
In the first episode he is already awake when his alarm clock rings at 5 a.m., and he dutifully rises and begins trudging on an indoor stepper, one of those cheap exercise gizmos sold on late-night cable, and stares into space.
In each evaluation, all the subjects must be trained for a couple of minutes and then give feedback by their recognition or take part in a real mobility in an indoor environment on one floor.
As in developed countries people spend more than 90% of their time indoors, besides outdoor pollution assessment, the indoor one is also required.
They are partners in an $815 million plan to create a convention center, hotels, offices, a few stores and an indoor Formula One racing center.
