Meanings of does heavy in английском

On this coast, a white man who does heavy work soon gets fever.

He does heavy lifting for Mag, who is German and his father's mother.

A few balls of marline come in conveniently as also does heavy linen fish-line.

Conclusions: These results indicate light smoking may have similar detrimental effects on EDV and NO biosynthetic pathway as does heavy smoking.

The soil of the garden-plot looks inert: so does heavy machinery; but apply to it the proper motive power, and you have activity at once.