'Because it burns in air with a hot & brilliant flame, this gas, C2H2, is used for welding & cutting metal'
acetylene
AS THE WORLD BURNS: Because it burns in air with a hot & brilliant flame, this gas, C2H2, is used for welding & cutting metal
Because it burns in air with a hot & brilliant flame, this gas, C2H2, is used for welding & cutting metal
Because it burns in air with a hot & brilliant flame, this gas, C2H2, is used for welding & cutting metal
AS THE WORLD BURNS
acetylene
AS THE WORLD BURNS