occludes

"The dry-stone wall used a large, flat through to support the top stones. "

"The coffee maker has a filter to separate the coffee grounds from the liquid. "

"Hydrogen is the simplest chemical element, with only one proton in its atom. "

"He will only drink purified water."

"The contract served as a palladium against unfair labor practices, protecting the workers' rights. "

"Turn the doorknob to open the door."

"The fallen tree obstructs the road, making it impossible to drive through. "

"He said he didn’t do it, but the evidence was otherwise."

"The company absorbed the smaller firm, and now all the employees work together under one roof. "

"to allow a servant his liberty;  to allow a free passage;  to allow one day for rest"

"The casserole dish needs a cover to keep the food warm. "

"The recipe called for a specific portion of flour, not the entire bag. "