Terms for subject Materials science containing weight

English	Spanish
dry unit weight	peso unitario seco
dry unit weight	peso volumétrico seco
dry unit weight	densidad en seco
falling weight	masa que cae
heavy-weight belly-barrel	barril pesado
light-weight barrel	barril ligero semiestanco
light-weight bottle	botella ligera
liquid proof light-weight barrel	barril ligero estanco a los líquidos