This is the 5136th most frequent Russian word.
наращивать
"To increase, build up, or enhance."
Here, 'наращивать' is used to mean 'to increase' or 'to enhance' in the context of efficiency or capability.
Мы хотим наращивать нашу производительность.
We want to increase our productivity.
'Наращивать' in this sentence implies increasing or scaling up the volume or quantity of production.
Компания планирует наращивать выпуск продукции.
The company plans to ramp up production output.
In this context, 'наращивать' refers to the process of growing or accumulating musculature.