☕ Penggunaan air atau cairan tawar (=tidak bergaram atau payau) berguna menghambat atau mengurangi proses terciptanya karat pada tangki (kecuali mungkin pada kapal tanker seperti pada surjaya ke-3).

⛱ Entri terkait dari kamus Oxford: fresh (of water) not salty. Walau Oxford merujuk ke air, liquid juga bisa fresh, seperti dalam surjaya.

★彡 SURJAYA
http://www.google.ch/patents/US4319930
In a multi-stage washing system comprising a plurality of washing tanks, fresh liquid is applied over a treated material ... for supplying a fresh washing liquid such as fresh water to tank...

http://www.unifiedbrands.net/media/3470/power-soak-ps-275-ow...
Drain the wash tank and start with a fresh washing solution by filling the wash tank with ...

http://www.academia.edu/24644777/26_Pumping_and_Piping_Arran...
CARGO TANK WASHING
After discharge of cargoes oil tanker cargotanks can be cleaned by either hot or cold water, fresh or seawater, or bycrude oil washing.