Hard work Vs Smart work

1234
Across
  1. 2. firm, dry, and brittle
  2. 3. a blacksmiths workshop; forge
  3. 4. physically strong; muscular.
Down
  1. 1. possessing great and impressive power or strength, especially because of size.
  2. 2. a glossy hard brown edible nut which develops within a bristly case and which may be roasted and eaten.
  3. 3. a person or animal lean and muscular.