hat
Lajman te itilize nan metaliji, izin kouran, endistri chimik, mwen li ye, han, plizyè tinèl, soutèren tiyo ak lòt kote, ke prevni se aksidan an.
eng
Widely used in metallurgy, power plant, chemical industry, mine, tunnel, tunnels, underground pipeline and other places, effectively prevented the happening of the accident.