Construction Materials

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 beam = a long, sturdy piece of squared timber or metal used to support the roof or floor of a building 

I-beam = (aka H-beam, w-beam, universal beam, rolled steel joist, or double-T)a beam with an I or H-shaped cross-section 

slate = a fine-grained grey, green, or bluish-purple metamorphic rock easily split into smooth, flat plate 

rod = a thin straight bar, especially of wood or metal 

rebar = reinforcing steel used as rods in concrete 

come in = be received 

custom cuts = parts of a material of any area or length requested by a customer 

EFL subset that concentrates more on language in context than on grammar and language structures. It covers topics from accounting or computer science to tourism and business management. "Specific" means the studying through a field that is already known and relevant to a student.