Keep unobstructed their in-turning gaze.
In Virginia, the Marcellus ore occasionally contained zinc, which produced a characteristic green flame in the furnace as it was consumed, but deposited a hard mass of impure zinc oxide known as cadmia, which built up over time near the top of the flue, and had to be removed periodically to keep it unobstructed.
As long as all this could continue unobstructed, the delta continued to expand.
Crossing the fairways is being kept to a minimum for the densely clustered galleries, and there are plenty of unobstructed and panoramic views for the elite.
A bank of television cameras was kept to the side of the plaza so members of the public, who stood for the hour-long service, could have an unobstructed view of the podium.
EPAP works to keep the upper airway open and unobstructed, using positive air pressure generated by the sleeper's exhaling breath.
And if a safety or health emergency occurs, having an unobstructed path out serves to keep the public safe too.
Those features, along with the unobstructed views, allow the partners to "keep our exit strategy open," including the option of converting the buildings to condominiums one day, he said.
In Costa Rica's Northern Plains region, you can soak in magma-heated springs while taking in an unobstructed view of the volcano that keeps the water toasty.
This gives the TSA screeners an unobstructed view of your laptop, and also keeps your laptop close to your bag.
