(Suggestion) Mark tasks for material delivery only

[SquarelyCircle]

I'm about to uncover a 1,300+ celcius geyser that I surrounded by abyssalite early in the game, and I'd like to keep the dupes alive while doing that. I want them to deliver the materials first, then replace all the squares at once, in one fell swoop. As far as I'm aware, there's no way to do this...

...thus, this suggestion. Allow for a check box on builds, or even identifying a group of orders as a single project, so the dupes will drop off all the materials first, then build when it's all ready.

(Kind of like setting all your dupes to be unable to build, but less drastic and overarching)