Question

______ have traditionally been the choice of craftworkers nailing into concrete and steel.
a. cordless electric nailers
b. hydraulic tools
c. electric tools
d. pneumatic and powder - actuated tools

Explanation:

To determine the correct tool for nailing into concrete and steel, we analyze the options:

• Option A (Cordless electric nailers): Not ideal for concrete/steel due to power limitations.
• Option B (Hydraulic tools): Less common for nailing tasks in this context.
• Option C (Electric tools): General category, not specific to concrete/steel nailing.
• Option D (Pneumatic and powder - actuated tools): Powder - actuated tools use explosive charges to drive nails into hard materials like concrete and steel, and pneumatic tools can also be used for heavy - duty nailing tasks. This makes them the traditional choice for such work.

Answer:

D. Pneumatic and powder - actuated tools