one of those items is not available vs one of those items are not available

Some examples from the web:

• Just FYI, this is just one of many items available at my online store, a-Dora-ble Notions.
• Every one, every one of those items is provably untrue at one level or another, but we believe them because they're pounded into our heads from the time we're children.
• And one of those items was a very valuable painting.
• Any one of those items could have belonged to her.
• We've matched each one of those items to property that was stolen from families that have students enrolled here.
• Just had a result back from the lab on one of those items from the garden we had fast-tracked.
• I must tell you, sincerely, that one of those items of good news is guaranteeing the public that we are taking care of their safety.
• Getting some of those items may be challenging.
• Where the exact amount of those items is known, that sum is to be indicated;
• I want to reduce a lot of the red tape, a lot of the bureaucracy and I think that notification requirements for straightforward low impact aid should be one of those items we can get rid of, thus focussing resources on checking the more problematic high-impact subsidies.
• A description of those items would be very useful.
• I don't need any of those items of convenience anymore.
• I don't need any of those items of convenience anymore.
• All of those items belong to Alisa.
• The blood on each of those items was from blood group O.
• All of those items, food wrap included, are products used in the aftercare of a tattoo.
• Matrix showing the permissible combinations into vehicle versions of those items in Part I for which there are multiple entries.
• Pieces of all three of those items can be found right here.
• We did not exceed our powers in relation to any of those items and I would propose that we proceed to the vote.
• Matrix showing the permissible combinations into vehicle versions of those items in Part I for which there are multiple entries.

Some examples from the web:

• Just FYI, this is just one of many items available at my online store, a-Dora-ble Notions.
• Any one of those items could have belonged to her.
• And one of those items was a very valuable painting.
• We've matched each one of those items to property that was stolen from families that have students enrolled here.
• Just had a result back from the lab on one of those items from the garden we had fast-tracked.
• I must tell you, sincerely, that one of those items of good news is guaranteeing the public that we are taking care of their safety.
• For accounting purposes, this works as a 'natural' hedge because the gains and losses from the foreign currency risk on all of those items are immediately recognised in profit or loss.
• Every one, every one of those items is provably untrue at one level or another, but we believe them because they're pounded into our heads from the time we're children.
• I want to reduce a lot of the red tape, a lot of the bureaucracy and I think that notification requirements for straightforward low impact aid should be one of those items we can get rid of, thus focussing resources on checking the more problematic high-impact subsidies.
• A description of those items would be very useful.
• All of those items belong to Alisa.
• I don't need any of those items of convenience anymore.
• I don't need any of those items of convenience anymore.
• However, institutions shall not reduce the nominal value of those items by specific credit risk adjustments.
• Pieces of all three of those items can be found right here.
• Member States shall permit a more detailed subdivision of those items, subject to adherence to the prescribed layouts.
• They'll often walk as much as 5 or 10 miles in pursuit of those items of inventory.
• All of those items, food wrap included, are products used in the aftercare of a tattoo.
• Matrix showing the permissible combinations into vehicle versions of those items in Part I for which there are multiple entries.
• We did not exceed our powers in relation to any of those items and I would propose that we proceed to the vote.