Background: Heat stress is one of the harmful factors present in many workplaces. It can lead to performance loss and low functionality of the labor force. Therefore, the aim of this study was to evaluate exposure to heat stress and its consequent performance loss among workers functioning in indoor high-temperature workplaces. Materials and Methods: This descriptive, analytical study was co...

OBJECTIVES To assess the effect of exposure to flour dust on pulmonary function tests, prevalence of symptoms (respiratory, allergic/irritating) and parameters of allergic sensitization in terms of skin prick test, and bronchial hyper-responsiveness. MATERIAL AND METHODS 43 bakers (with at least 2 years of occupational exposure) working at different bakeries in Ismailia city, Egypt; and 64 co...

Bread is one of the most wasted products in distribution systems and households. To consider reusing it, presence microorganisms must be taken into account. In this study, microbial load crumb crust four kinds bread, sold two different types establishments, has been compared separately. Counts Bacillus spp, sulphite reducing bacteria, coliforms, E. coli, Salmonella lactic acid Aerobic plate cou...

Mommy Ai Kitchen is one the businesses specializing in bakery business, producing cupcakes, birthday cakes, brownies, and donuts. However, it does not optimally determine each bakery’s production quantity, so offers fewer profits becomes a problem. This research aims to find optimal quantity that this business maximizes profits. The method used was integer programming using branch bound approac...