Customized oil tankers are tailored to meet specific needs in the oil - transportation industry. Whether for transporting crude oil, refined products, or specialized petroleum - based fluids, these tankers can be customized in terms of tank capacity, pumping systems, and safety features. Materials for the tank, such as steel or stainless steel, can be selected based on the type of oil and environmental conditions. Customization may include adding features like heating systems for viscous oils, advanced leak - detection mechanisms, or enhanced anti - corrosion coatings. These customized tankers offer flexibility, ensuring efficient and secure oil transportation while meeting the diverse requirements of clients in the energy sector.