Actually, the use cases I remember seeing it requested for were :
- Fluid wagons that couldn't be emptied of the last fraction of fluid unit, which prevented the trains to leave with "on empty" condition (not even trying to enter into the train reusable for different fluids).
- Generic fluid ...

thanks for many discussion.
(i learning English so i maybe writing based on misreading...)

now i want to change subject to "now we need an auto-flusing in fluid network?"
that's what i really wanted to see.

Zanthra seems to be thinking what i want to know :)

i understand tiny fluids that less ...

supplement:
fluids not remains in pipes at final state in avobe cases (a) to (d).

thanks for quick reaction.

oh it's right.
it's not your guide but i try how to lost a fluid at Map Editor.
simple case below: (fluid-lost-try.txt)

(a) full tank -> pump -> oil-refinery
no fluid lost.

(b) full tank -> pump -> pipes -> oil-refinery
0.1 fluid lost.

(c) full tank -> pump -> pipes ...

thanks for quick reply.
now i have only one question about (2).

why oil-refinery has a fluid which amount are 99.9 units, when i send a fluids from "full" wagon to oil-refinery until wagon is empty.
at this time, fluid network that between wagon and oil-refinery are also empty.

i heard on local ...

hello developper team.
thanks for publishing beautiful great interesting game to the world, and daily fix.
you gave funny days for me :)

am... i'm in trouble on Factorio 1.1.19. it causes Factorio using floating point value to fluid items, i guess.

attachment file(blueprint.txt) is my 'advanced ...

1x2 chest is really wanted for me too.

i believe cargo to cargo assembling is most effective method for UPS. like below:

20191004211707_1.jpg

i love cargo to cargo like this :)

if 1x2 chest available then it is maybe get better.
now it is 8 beacons to each assembling machine, but 1x2 chest ...