from {thirty years old} and above, up to {fifty years old}, everyone who comes to the service to do the work in the tent of assembly.

from {those twenty years old} and above until {fifty years old}; you will muster them, all who come to help to do the work of the tent of assembly.

from {those thirty years old} and above until {fifty years old}; you will muster them, all who come to do the work of the tent of assembly.

from {those thirty years old} and above until {fifty years old}; everyone who comes to the service to work in the tent of assembly,

from {those thirty years old} and above until {fifty years old}, everyone who comes to the service to work in the tent of assembly;

from {those thirty years old} and above until {fifty years old}, everyone who comes to the service to work in the tent of assembly,

from {those thirty years old} and above until {fifty years old}, everyone who comes to the service to do [the] work of the service carrying in the tent of assembly,