This is how negative results are effectively concealed from the public.

The dusk and the hand effectively concealed that region other body.

However, not all the assets were taken because ownership of some things was effectively concealed.

This effectively concealed his identity from any possible observer above him.

Here the tractor was effectively concealed, without looking as if he had made an effort at concealment.

"They're all copying the first player, which effectively conceals exactly who's involved?"

This gives a very natural look but effectively conceals imperfections too.

His body was wrapped in a plain gray cloak that effectively concealed whatever else he might be wearing.

It had also effectively concealed the fingerprints of the unknown hijacker.

The flattened bodies of stingrays allow them to effectively conceal themselves in their environment.