Questions & Answers about Bu delgeç ve raptiyeler ofis için gerekli.
This lesson teaches using -(y)AcAk for a tool's purpose. Could we use that here instead of delgeç?
Yes! If you didn't know the exact word for a hole punch, you could use the lesson's grammar: kağıt delecek bir alet (a tool for punching paper). However, delgeç is the dedicated noun for this tool. It's formed by adding the tool-making suffix -geç to the verb delmek (to pierce), similar to süzgeç (strainer, from süzmek).
Why isn't raptiyeler in the accusative case if it translates to "the thumbtacks"?
Because bu delgeç ve raptiyeler is the subject of the sentence, not the object. The accusative case (which marks definite items like "the thumbtacks") is only used for direct objects. Subjects in Turkish always stay in the nominative (bare) case, no matter how specific or definite they are.
Can I use gerek instead of gerekli here?
Does bu (this) apply to both the hole punch and the thumbtacks, and why isn't it plural?