Reciprocating internal combustion engines. Graphical symbols Ingestion-build-201039 The purpose of water trough

The purpose of water trough barriers is to extinguish explosion flames in roadways in underground mines and in this way to limit propagation of explosions

or solder in the capillary joints after the joint has been made

BS EN 1492-4 deals with the technical requirements to minimize hazards which can arise during the use of fibre rope slings when carried out in accordance with the instructions and specification given by the manufacturer or authorized representative

with at least equivalent performance and warranty of a comparable new replacement product

Reciprocating internal combustion engines. Graphical symbols Ingestion-build-201039 The purpose of water trough1 Scope This International Standard specifies graphical symbols for operator controls, gauges, tell tale indicators and instructions for reciprocating internal combustion (RIC) engines in order to provide necessary information on their use and operation. It is applicable to RIC engines for land, rail traction and marine use, excluding engines used to propel road vehicles and aircraft.