Sterile gloves were used to handle each individual sample while steam vacuuming was performed in order to prevent cross-contamination.
(Sterile gloves; were used; to handle each individual sample) (Sterile gloves; to handle; each individual sample) (steam vacuuming; was performed; L:in order)
Sterile gloves Sterile gloves steam vacuuming
were used to handle was performed
to handle each individual sample
each individual sample
L:in order