Question

please select the correct answer from the dropdown list

1. a protective screen set up around a welding operation designed to safeguard workers not directly involved in the operation is a(n) ______.
2. a process using heat in excess of 800°f (427°c) on base metal, along with a filler metal in order to join pipe is called ______.
3. filters designed to capture very small particles are called ______.
4. a structure that is used to protect workers in trenches but lacks the ability to prevent cave - ins is ______.
5. working near a hazard, but not actually in contact, is known as ______.
6. a vertical barrier called a(n) ______ is used at floor level on scaffolds to prevent materials from falling.

options (from dropdown): high efficiency particulate arrestance (hepa) filters, shielding, proximity work, welding curtain, brazing, wind sock, toeboard, proximity work

Explanation:

1.

A protective screen around welding to safeguard workers (not direct involvement) is a welding curtain.

Brazing uses heat (>800°F) with filler metal to join pipe.

HEPA filters capture very small particles.

Answer:

Welding curtain

2.