All the skills learned in observing with binoculars are used in observing with a telescope.
(All the skills; learned; L:in observing with binoculars) (All the skills learned in observing with binoculars; are used; in observing with a telescope)
All the skills All the skills learned in observing with binoculars
learned are used
L:in observing with binoculars
in observing with a telescope