Crowd management is a considerable challenge in many countries including Saudi Arabia, where millions of pilgrims from all over the world visit Mecca to perform the sacred act of Hajj.This holy ritual requires large crowds to perform the same activities during specific times, which makes crowd management both critical and difficult.Without proper c
Primary clear cell sarcoma of soft tissue (CCSST) arising from the pleura is an infrequent occurrence, with only two cases reported in the English literature.We report a rare case of Candles pleural CCSST with unusual clinical features and unconventional morphology.A 68-year-old man presented with a large right pleural effusion that developed follo
Residential mobility is an economic and social recovery process that determines urban growth and regional development.The urban population relocates due to the events in their lives or their dissatisfaction with the conditions.Such individual movements play a role in the construction of urban geography.The aim of the present study was to discuss th
Forest canopies contribute significantly to global forest biodiversity and ecosystem functioning, yet are declining and understudied.One reason for a knowledge gap is that accessing forest canopies can be difficult and dangerous.Thus, lack of relevant canopy access skills may compromise knowledge gain and personal safety.We assessed skill levels in
Solvent extraction is a method implemented with the purpose to recover the remaining oil in spent bleaching earth.n-hexane is the most commonly used solvent in solvent extraction due to its advantages such as able to easily extract the oil and can be separated easily with low chances to form emulsions during the extraction process.Although n-hexane