( ( ( ( ( ( Additional operations ) ( such ( as ( ( ( ( ( grinding , ) homogenization ) , ) or ) leaching ) ) ) ) , ) ( required ( to ( ( recover products ) ( from ( ( solid sources ) ( such ( as ( plant ( and ( animal tissues ) ) ) ) ) ) ) ) ) ) ) , ) ( ( ( are usually ) ( included ( in ( this group ) ) ) ) . ) )
(ROOT (S (NP (NP (JJ Additional) (NNS operations)) (PP (JJ such) (IN as) (NP (NP (VBG grinding)) (, ,) (NP (NN homogenization)) (, ,) (CC or) (NP (VBG leaching)))) (, ,) (VP (VBN required) (S (VP (TO to) (VP (VB recover) (NP (NNS products)) (PP (IN from) (NP (NP (JJ solid) (NNS sources)) (PP (JJ such) (IN as) (NP (NN plant) (CC and) (NN animal) (NNS tissues))))))))) (, ,)) (VP (VBP are) (ADVP (RB usually)) (VP (VBN included) (PP (IN in) (NP (DT this) (NN group))))) (. .)))
Additional operations such as grinding, homogenization, or leaching, required to recover products from solid sources such as plant and animal tissues, are usually included in this group.
(ROOT (S (NP (NN Ground) (NN tissue)) (VP (VBZ makes) (PRT (RP up)) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NN inside)) (PP (IN of) (NP (DT a) (NN plant))))))) (. .)))