Thirteen. The sample changer recited in assert 1, whereby said conveyor indicates comprises an elevator mechanism for sequentially relocating explained transportation suggests from a primary situation associating with reported keep track of right into a second placement associating with said tests area; and whereby claimed elevator system features a cage https://share.evernote.com/note/24170d6c-ce7d-0f26-199f-c0f6fb5b5380