conserver in English:

1. conserving

English word "conserver"(conserving) occurs in sets:

Fiches du livre - "Food in War Time" (Graham Lusk)
Fiches du livre - "Let's Use Soybeans" (Anonymous)
Fiches du livre - "A Guest of Ganymede" (C. C. Mac...
Fiches du livre - "Making a Fireplace" (Henry H. S...
Fiches du livre - "Lassen Trails" (Stephen Halsey ...