English to Serbian Tech/Engineering Ships, Sailing, Maritime Hydraulic cylinders

Izraz se odnosi na hidraulične cilindre i ovdje se koristi u prenosnom smislu. "Yellow" se odnosi na njihovu boju.

Želio bih da pronađem pojam bliži izvornom.

Extremely powerful yellow workhorse supplies hydraulic power to tension racing yachts’ rigging

These compact but extremely powerful Enerpac 700 bar hydraulic cylinders, used to tension rigging on yachts including Americas Cup contenders, are the same rugged cylinders used by industry to hoist huge weights and to press, pull, form, fabricate and maintain plant and equipment ranging from bridges and buildings to trucks, turbines and production machinery