Factorio Forums

In quill's videos and other places there is a large beaker symbol for example on the crafter that is producing them.

Likewise the furnaces show a picture of steel or copper plates depending on what they are smelting at the time I think.

How do I turn this feature on in my game?

Press the ALT key for alternative view,
And
Look into the options, there are tons of other, not well documented keys!

Thank you for fast response!