en_tn/2ch/34/12.md

Jahath ... Meshullam

These are the names of men. (See: rc://en/ta/man/translate/translate-names)

Merari

Translate this man's name as you did in 2 Chronicles 29:12. (See: rc://en/ta/man/translate/translate-names)

Kohathites

Translate the name of the clan as you did in 2 Chronicles 20:19. (See: rc://en/ta/man/translate/translate-names)

Obadiah ... Zechariah

Translate these men's names the same as you did for other men by the same names in 2 Chronicles 17:7. (See: rc://en/ta/man/translate/translate-names)

These Levites were in charge of those who carried building material and all other men who worked in any way

This means that they were in charge of all the men who did any type of building work. AT: "These Levites were in charge of all of the men who did any kind of building work" (See: rc://en/ta/man/translate/figs-explicit)