OBJECTIVE OF THE STUDY: To determine the prevalence of respiratory symptoms and
assess ventilatory functions among quarry workers in Edo state, Nigeria. METHODS: A cross …

Introduction: Workers in the quarry industries are exposed to hazards resulting from the
inhalation of air borne particulates. The study determined the prevalence of respiratory …

OBJECTIVE OF THE STUDY: To assess the prevalence of respiratory symptoms among
masons and office workers in Benin City, Nigeria MATERIALS AND METHODS: This …

Background: RESPIRATORY problem is one of the major health hazards in dust-exposed
workers, it is a major cause of morbidity and mortality all over the world. Objective: To …

Respiratory problem is one of the major health hazards in dust-exposed workers; it is a
major cause of morbidity and mortality all over the world. To determine the prevalence of …

BACKGROUND & OBJECTIVE: Stone quarry workers form an unorganized sector of industry
scattered all over India. Various procedures and operations are involved in this work viz …

Chronic exposure to granite rock-crushing dust is a major risk factor for respiratory problems
in quarry workers. A cross-sectional study was conducted to determine the relationship …

The relationship between dust exposure and lung function were investigated in a cross-
sectional study of 70 male quarry workers. The investigation included spirometric testing and …

Introduction Mining is one of the most hazardous sectors to work in because it is a sector that
predisposes workers to various hazards including dust. Exposure to dust in the mines is …

Objectives: Quarry is an unorganized sector that involves various processes that produce
dust particles of silica and heavy metals. Inhalation of these dust particulates causes serious …