options a is the correct answer
Domino construction uses vertical steel support and a horizontal slab of reinforced concrete which is connected by stairways.
These are simple: housing such as single-family homes and multi-family homes. Commercial buildings such as offices and warehouses. Industrial facilities such as factories and large production facilities. Infrastructure projects such as roads, bridges, airports, and sewers.
The construction industry is an important sector that contributes significantly to the economic growth of the country. The construction industry is an investment-oriented sector in which governments are showing great interest. The government contracts with the construction industry to build infrastructure in the health, transport, and education sectors.
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