Mason Tending Safety and Health

When mixing water with acids, what is the correct procedure?

• add both at the same time
• add acid to water
• mix them in a metal pail
• add water to acid

Exposure to silica does not cause which of the following health issues?

• tuberculosis
• cancer
• arthritis
• chronic bronchitis

What potential effects can mortar have on the skin?

• cause the skin to soften
• become dry and cracked
• become damp and waxy
• turn blue

When cleaning masonry products with muriatic acid, do not use ________ for protection.

• protective clothing
• gloves
• face shields
• sunglasses

Chronic silicosis develops after how many years of exposure to dry portland cement and mortar dust?

• 20 years
• 15 years
• 10 years
• 5 years

How does exposure to silica primarily occur?

• hearing
• seeing
• breathing
• touching

What are the appropriate first aid procedures for skin contact with hazardous materials?

• Wash the affected area thoroughly, and remove and wash the contaminated clothing.
• Apply first aid ointment to the area, and remove and wash the contaminated clothing.
• Take a shower immediately, and discard the contaminated clothing.
• Place bandages on the affected area, and discard the contaminated clothing.

What safety measures should be taken when working in windy conditions?

• provide temporary bracing
• complete the work quickly
• wear a respirator
• lay the block with special mortar

What are the appropriate first aid procedures for eye contact with hazardous materials?

• Wash the eyes with boric acid, and seek medical advice immediately.
• Wash the eyes with clean water, and seek medical advice immediately.
• Apply first aid ointment to the eyes, and seek medical advice immediately.
• Place patches over the eyes, and seek medical advice immediately.

What is the purpose of a respirator in a construction setting?

• protect from airborne silica dust
• protect from tripping and falling
• protect from collapsing walls
• protect from being struck by a chip of block