Fibre-reinforced plastic tanks and vessels
FRP (Fibreglass Reinforced Plastics, also known as GRP, or Glass Reinforced Plastics) is a modern composite material of construction for chemical plant, pulp and paper mill, and food and pharmaceutical equipment like tanks and vessels. Chemical equipment that range in size from less than a metre to 20 metres are fabricated using FRP as material of construction.
Source: Wikipedia — Fibre-reinforced plastic tanks and vessels (CC BY-SA 4.0)