в старых городах, где большинство с

в старых городах, где большинство систем жизнеобеспечения, например таких, как водопровод питьевой воды , были проложены 40 лет назад и более, в связи с чем происходят аварии.

Results (English) 1:

in the old cities, where most of the life-support systems, such as water supply of drinking water, were built 40 years ago or more, in connection with which accidents occur.

Results (English) 2:

in older cities, where most of the life-support systems, such as sewage water, were built 40 years ago and more, and accidents.

Results (English) 3:

In the old urban areas, where most life-support systems, such as water supply drinking water, have been constructed 40 years ago and more, in connection with the accident occur.