Meaning: 'Labels' are pieces of paper or adhesive material that provide information about the contents or destination of a package.

Wrong options:

• brushes: 'Brushes' are tools used for painting or cleaning, which do not relate to shipping envelopes and are irrelevant in this context.
• location: 'Location' refers to a place or position, which does not fit as it does not describe an item that can be removed from shipping envelopes.
• process: 'Process' is a noun that refers to a series of actions or steps taken to achieve a particular end, which does not fit as it does not describe a physical item.
• prices: 'Prices' refer to the cost of items, which is unrelated to the action of removing something from shipping envelopes.
• scissors: 'Scissors' are tools used for cutting, which do not fit as they are not something that needs to be removed from the envelopes.

Correct answer: process

Explanation: The term 'process' is appropriate as it refers to the method or series of actions involved in recycling. It fits grammatically and contextually as it describes the recycling operation that could be hindered by the presence of labels.

Meaning: 'Process' refers to a series of actions or steps taken to achieve a particular outcome, in this case, recycling.

Wrong options:

• brushes: 'Brushes' are tools used for painting or cleaning, which do not relate to recycling and are irrelevant in this context.
• location: 'Location' refers to a place or position, which does not fit as it does not describe an aspect of recycling.
• labels: 'Labels' are the items being discussed for removal, not a term that describes the recycling operation itself.
• prices: 'Prices' refer to the cost of items, which is unrelated to the recycling process.
• scissors: 'Scissors' are tools used for cutting, which do not relate to the recycling process.

Correct answer: scissors

Explanation: The word 'scissors' is a plural noun that refers to the tool used for cutting. It fits grammatically and contextually as it describes the means by which the labels can be removed if they do not peel off easily.

Meaning: 'Scissors' are a cutting tool used to cut paper or other materials.

Wrong options:

• brushes: 'Brushes' are tools used for painting or cleaning, which do not relate to cutting labels off shipping envelopes.
• location: 'Location' refers to a place or position, which does not fit as it does not describe a tool for cutting.
• process: 'Process' refers to a series of actions or steps, which does not fit as it does not describe a physical tool.
• prices: 'Prices' refer to the cost of items, which is unrelated to the action of cutting.
• labels: 'Labels' are the items being removed, not a tool used for cutting.