Расположите пропущенные предложения в таком порядке, чтобы получился связный текст.
1_______. Huge reinforced concrete units manufactured in heated factory premises are brought to the site which becomes something like an assembly shop. 2_______. First of all it cuts the labour needed for building by 60 to 70% and extends the building season what is very important for countries where winter lasts for many months. 3_______. All this makes the building process less expensive and much less labourous.
4_______.
1_______. Huge reinforced concrete units manufactured in heated factory premises are brought to the site which becomes something like an assembly shop. 2_______. First of all it cuts the labour needed for building by 60 to 70% and extends the building season what is very important for countries where winter lasts for many months. 3_______. All this makes the building process less expensive and much less labourous.
4_______.
• The 20th century is notable for widespread use of steel-reinforced concrete
• This technique has many advantages over other building methods
• Architecture of the 20th century is characterized by very high buildings – particularly skyscrapers – and by great diversity of styles which completely differ from those of the past
• Furthermore the duration of building is greatly cut