Protective face mask identification is essential today to users as it is a prominent protective
wearable to shield from being infected by Covid-19 viruses. Protective face masks consist of …

Pneumoconiosis is a widespread occupational pulmonary disease caused by inhalation and
retention of dust particles in the lungs, is characterized by chronic pulmonary inflammation …

Frequent donning and doffing of filtering facepiece respirators (FFRs) can reduce their
effectiveness due to the residual deformation of their elastic head straps. This study …

This study explores the impact of ageing factors–ie, perspiration, disinfection procedures
and ultraviolet radiation–on the structural and performance characteristics of novel …

Atmospheric air, which is a natural resource, significantly affects the health and disease
level of the population [1, 2], as well as the quality of the environment [3, 4]. However, as a …

The research is focused on topical issues of determining the safe parameters of pit edges in
the conditions of a reduced protective zone near a critical infrastructure facility. Considering …

To increase the insulating properties of elastomeric half-masks, it is suggested to perforate
the obturator in the area of the nasal bridge, chin and cheeks, which allows for adjustment in …

Sažetak The level of occupational respiratory diseases among workers in the mining,
machine-building and metallurgical industries remains high. The most common …

Sažetak Kako bi se povećala izolacijska svojstva elastomernih polumaski, predlaže se
perforacija brtve u području hrpta nosa, brade i obraza, što omogućuje promjenu njezine …

Atmospheric air, which is a natural resource, significantly affects the health and disease
level of the population, as well as the quality of the environment. However, as a result of …