Question

match the die grinder bit or attachment to the type of material being worked on.
safe
unsafe
question 11 0.5 pts
use low speed bits, stones, sanding pads, or other attachment for grinding or sanding with a pneumatic die grinder.
safe
unsafe

Explanation:

First Question (Match die grinder bit/attachment to material):

The question is about safety in using die grinder bits/attachments with materials. However, since the specific bit/attachment and material aren't detailed, but the second question (about low - speed bits with pneumatic die grinder) is a safety - related operation. For the first question, if we assume a general context (but the info is incomplete). Wait, actually, the first question's stem is "Match the die grinder bit or attachment to the type of material being worked on" with options Safe/Unsafe. But without specific details, maybe there's a mis - presentation. But the second question: using low - speed bits, stones, sanding pads with a pneumatic die grinder. Pneumatic die grinders typically operate at high speeds, and using low - speed attachments (which are not designed for high - speed pneumatic grinders) is unsafe because the attachment may not be able to handle the speed, leading to breakage, flying debris, or loss of control. But for the first question, maybe there's a mistake. Wait, perhaps the first question is a lead - in, but the user's main question (maybe the second one? Or both? Let's assume the second question first.

For the second question ("Use low speed bits, stones, sanding pads, or other attachment for grinding or sanding with a pneumatic die grinder"):
Pneumatic die grinders are high - speed tools. Low - speed bits/attachments are not designed to be used with high - speed pneumatic grinders. Using them can cause the attachment to fail, break, and create safety hazards like flying fragments, loss of control of the tool, etc. So this practice is unsafe.

For the first question, since the specific bit/attachment and material are not given, but if we consider the general principle that matching the correct bit/attachment to the material is safe (e.g., using a metal - cutting bit for metal, a wood - working bit for wood), but without details, maybe the intended answer for the first (if it's a general "matching correctly" is safe, but the info is sparse. However, maybe the user's question is about the second one. Let's focus on the second question as it has more details.

Answer:

(for the second question: "Use low speed bits... with a pneumatic die grinder"):
Unsafe

First Question (Match die grinder bit/attachment to material):

Since the specific bit/attachment and material are not provided, but if we assume that matching the correct bit/attachment to the material (e.g., appropriate bit for the material's hardness, type) is a safe practice (while mismatching is unsafe), but without details, it's hard. However, if the question is about "matching" in general (correct matching), the answer would be Safe. But this is a bit ambiguous.

But given the user's image, maybe the two questions are:

1. Match the die grinder bit or attachment to the type of material being worked on. → Safe (because matching the right bit to the right material is a safe practice; e.g., using a carbide bit for metal, a diamond bit for hard materials like stone, etc.)

1. Use low speed bits, stones, sanding pads, or other attachment for grinding or sanding with a pneumatic die grinder. → Unsafe (as explained, pneumatic die grinders are high - speed, low - speed attachments are not suitable)

So:

First question answer: Safe

Second question answer: Unsafe