"worked their arduous way up the mining valley"; "a grueling campaign"; "difficult labor"; "heavy operate"; "heavy heading"; "expended lots of laborious several hours to the challenge"; "established a punishing rate" Wise Vocabulary: similar words and phrases Physically powerful and strong (as) tricky as aged boots idiom billy-o brute brute drive https://heavy-duty-stainless-stee45667.worldblogged.com/43140569/heavy-duty-stainless-steel-damper-manufacturers-an-overview