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There is a high platform and a slide, and to join them together we have to put the tiny sticking-out bit of the slide into the hole of the platform as shown in the picture.

That tiny bit occupies about 5 or 10% of the slide.

Do we use "into" or "onto", for example, "put the slide into/onto the platform" when there is only 10% of the slide getting in?


If we use more specific terms like "tab" and "slot", then then it is obvious that we say “into”, for example, “put the tab into the slot”.

However, if we use general terms “slide” and “platform”, then we say “put the slide into the platform” or “put the slide onto the platform” when only 10% of the slide getting in?

  • 1
    You are not putting the slide 'onto' the platform if you are attaching it by a tab into the side. I would say 'Attach' or 'connect the slide to the platform'. Commented Sep 25, 2020 at 8:54

1 Answer 1


You've answered your own question:

put the slide into the platform

  • But many native speakers think that "put the slide into the platform" means the whole slide got inside the platform. But here, there is only 10% of the slide going into the platform
    – Tom
    Commented Sep 27, 2020 at 4:05

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