This class includes :

Manufacture of reservoirs, tanks and similar containers of metal, of types normally installed as fixtures for storage or manufacturing use

Manufacture of metal containers for compressed or liquified gas

Manufacture of central heating boilers and radiators

This class excludes :

Manufacture of metal casks, drums, cans, pails, boxes, etc. of a kind normally used for carrying and packing of goods (irrespective of size), see 2599;

Manufacture of transport containers, see 2920;

Manufacture of tanks (armored military vehicles), see 3040.