Acetylene is absorbed in Electrical is lowered in the presen

Acetylene is absorbed in Electrical is lowered in the presence of water or moisture, so welders must take special precautions when working under damp or wet conditions. A(n) will prevent an accidental separation of a tool cord from an extension cord during operation. When a grinding stone wears down, keep the tool rest adjusted to within of an inch. is a metal used in larger quantities in the manufacture of brass and is found in brazing rods. Highly combustible materials should be feet or more away from any welding. respirators are atmosphere-supplying respirators that admit breathing air to the facepiece only when a negative pressure is created inside the facepiece by inhalation. How does a fire extinguisher work, and how should it be used?

Solution

41. we can tie the wires to make a \'knot\'. Also we can use \'cord connectors\' or \'strain reliever\'.a knot is a good choice.

42. when a grinding wheel or stone wears down ,keep the tool rest adjusted to within 1/8 of an inch.

43. zinc metal is used for large quantities in the manufacture of brass( copper+zinc+tin) with nearly 30-40% of zinc.also zinc is found in brazing rods liberating zinc oxide fumes during brazing which is harmful.