measure height : for small cactus use a tape measure, for large cactus estimate following procedure for trees e).
(measure height : for small cactus; use; a tape measure, for large cactus estimate following procedure for trees) (large cactus estimate; following; procedure for trees)
measure height : for small cactus large cactus estimate
use following
a tape measure, for large cactus estimate following procedure for trees
procedure for trees