في الواقع، يجلس الأشخاص في المكاتب كثيرًا أو بطرق تؤذي أجسادهم ويشير الأطباء بشكل روتيني إلى الحركة كحل لتحسين الصحة. فيما يلي أربعة خيارات يجب مراعاتها. Indeed people in offices today are sitting too much or in ways that hurt their bodies and None [1] physicians routinely point to movement as a...
Abstract: In the process of wood manufacturing, each step affects the material utilization and the cost efficiency. Wood has got high diversity in its inherent features and the different manufacturing steps must be able to handle this. In most end products the proportion of the raw material cost is high....
