91.220 Construction. Including scaffolding, mixers for concrete and mortar, etc. / Строительное оборудование. Включая строительные леса, бетоносмесители и мешалки для строительных растворов и т.д.
Ключевые слова:
Scaffold boards|Wood defects|Knots (wood)|Thickness|Strength of materials|Softwoods|Bending stress|Decking (scaffolding)|Woodbased sheet materials|Scaffolds|Test equipment|Structural timber|Grading (quality)|Marking|Mechanical testing|Quality assurance|Sawn timber|Scaffolding components|Dimensions|Modulus of elasticity