This is the 15865th most frequent Russian word.
прокладыванием
"Прокладыванием" means "laying" or "constructing a pathway."
Here, 'прокладыванием' refers to the process or activity of establishing something, specifically roads.
Он занимался прокладыванием новых дорог.
He was engaged in laying new roads.
In this sentence, 'прокладывание' emphasizes the act of carefully setting down and organizing cables.
Прокладывание кабелей требует аккуратности.
The laying of cables requires precision.
Here, 'прокладыванием' is used to express pride in the accomplishment of creating significant pathways.