What is graywater? household wastewater that does not contain surfactants

household wastewater except for the wastewater from toilets

wastewater generated from indoor household usage

all wastewater generated from household usage

How to tell if a molecule is polar or nonpolar with electronegativity

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?

Consider a production line with five stations. station 1 can produce a unit in 9 minutes. station 2 can produce a unit in 10 minutes. station 3 has two identical machines, each of which can process a unit in 12 minutes (each unit only needs to be processed on one of the two machines. station 4 can produce a unit in 5 minutes. station 5 can produce a unit in 8 minutes. which station is the bottleneck station?