The phrase "a shield that can" is correct and usable in written English.
You can use it when describing a protective object or concept that has the ability to perform a specific function.
Example: "The knight carried a shield that can withstand the fiercest blows in battle."
Alternatives: "a barrier that can" or "a defense that can".
Alison Bruzek of NPR reports that MIT researchers have developed a shield that can prevent the electrical currents in a battery from damaging the esophagus.
The ignorant choose to willfully ignore and rationalize that not knowing something, and not caring to know, is a shield that can be wielded at pretty much anything.
They also push other safety and comfort features of window tint: keeping glass from shattering in an accident, cooling the vehicle by as much as 50%, reducing glare and improving visibility, and even forming a shield that can keep a passenger from flying through a window during a collision.
A heavy infantry would need a tall shield that can be used to duck behind or cover their legs, head during the initial assault.
Researchers have created a "noise" shield that can block out certain attacks -- but have strangely run into problems with telecommunication companies looking to protect their frequencies.
These highly flexible, hydrophilic PEG chains produce a vast number of conformations constantly switching from one to another, acting as a "PEG shield" that can significantly reduce the possibility of digestive enzymes to reach the underneath objects.
Blitz, on the other hand, has a big riot shield that can "flash" enemies and take enormous punishment – but he's slow and has to expose his head to aim his pistol (rather than hip-firing it).
As the school year wound down this week at St . Cornelius Catholic Schoolin Chadds Ford, Pa., eighth-grade students were handed a gift meant to prepare them for their transition to high school — a bullet-resistant shield that can fit in their backpacks.
In the final analysis, the shield that can protect us is our humanity that unites us.
And the exterior of the cups feature interchangeable metal shields that can be customized in a variety of colors and engraved with a name or logo.
Citing those incidents, and the possibility of ones like it in the future, the report states: "There is a need to evaluate the issuance of hard body armor, helmets and ballistic shields that can be quickly deployed in high risk incidents" where assailants have access to high powered rifles.
