We wear our sober Dresses when we die — Workers

We wear our sober Dresses when we die, ¹
But Summer, frilled as for a Holiday
Adjourns her sigh－

(F.1619/J.1572)

[1] We:: workers. sober Dresses:: moderate dresses for work. die:: to cast, mold (some products).
[2] Summer:: one who counts (as a factory manager).
[3] Adjourns her Sigh:: stops her sigh for the production in holidays.