Direct materials are the supplies you use to manufacture your inventory: wood for cabinets, steel for girders or wool for coats. Accountants distinguish direct materials from indirect materials, which ...

Compared to metals such as aluminum and steel, the number of stiffness and strength properties associated with polymer matrix composites (PMCs) is extensive. For metals, these mechanical properties ...

HVAC businesses everywhere have been challenged with price increases and shortages. And the challenges aren’t going anywhere. What should HVAC contractors focus on as 2023 approaches? According to a ...