"critical pieces" is a grammatically correct phrase and can be used in written English.
Example: The team worked hard to identify the critical pieces of information needed for their research project.
The Atlético wall has several critical pieces.
"It destroyed some critical pieces of railway signalling equipment".
As it happens, it's with the critical pieces that Ginsberg's poem comes back to life — critical pieces that take the shape of real talk.
"These executives are fabulous choices for bringing out critical pieces of the leadership mosaic".
Fusion centres rank as one of the most critical pieces to US domestic counterterrorism architecture.
With the appearance of AIDS, the details of sexual practices suddenly became critical pieces of information.
In the war to spin the report, such specific warnings are critical pieces of ammunition.
The Obama administration is desperately trying to preserve the critical pieces of the relationship.
The programme will make room for a few critical pieces penned by some of those who railed against her attitudes.
"By April, all the critical pieces to start the real vaccination experiments had been assembled," Barouch recalled.
"Part wacky, part unpleasant," noted Gottlieb, as the American press ran a series of gleefully critical pieces about the magazine.
