Solid is related to Salt. you are likely to find Salt in/at/on Shelf. Shelf can be used for Storage. 
Weigh is related to Measurement. Measurement is related to Increase. Increase is a synonym of Addition. 
Solid <--RelatedTo--> Salt --AtLocation--> Shelf --UsedFor--> Storage 
Weigh <--RelatedTo--> Measurement <--RelatedTo--> Increase <--Synonym--> Addition 