Owing to this, Sahure's pyramid is now largely ruined and amounts to little more than a pile of rubble showing the crude filling of debris and mortar constituting the core, which became exposed after the casing stones were stolen in antiquity.
Officials said an examination of the monument's exterior revealed a "debris field" of mortar and pieces of stone around the base of the monument, and several "substantial" pieces of stone had fallen inside the memorial.
"Do not discard or pour paint, mortar, trash or any construction material or debris on this tree," it declared.
Therefore, samples from the demolition debris, i.e. brick, mortar and wall pieces were collected and tested for their mechanical properties, according to Russian standards, when available, and according to International Standards for the rest.
I have never seen anything like this," said a bewildered policeman, Ivan, slowly picking his way through long grass and debris as the dull boom of mortar fire echoed in the distance.
Emad told me that during his years in captivity, shrapnel from a mortar lacerated his stomach, a bullet hit his elbow, and debris from a blown-apart building hit his head after an air strike.
The soil samples were properly air-dried and grinded using a mortar and pestle to pass through a 2-mm sieve to eliminate debris and gravel.
Ansar Beit al-Maqdis launched the assault on three towns on Thursday, detonating a car bomb outside a military base as mortars were simultaneously fired at the stronghold, destroying buildings and burying soldiers under the debris.
A five-inch-wide firework shell failed to leave its mortar tube and exploded inside, sparking a chain reaction that knocked down the display and sent debris and firework projectiles flying toward about 10,000 spectators watching hundreds of feet away.
Yeast extracts were prepared by grinding frozen cells under liquid nitrogen using a pestle and mortar; the powder was resuspended in a small volume of buffer and centrifuged to remove cellular debris and unlysed cells.
