When should I use bypass shears and when should I use anvil shears?

Bypass shears: used for young, green plants => seamless and precision cutting. Anvil shears: for hard, dry wood => the anvil supports the branch and prevents damage to the bark. Combisystem Branch Pruners (302) combisystem Anvil Branch Pruners with 3-Fold Roller Transmission (303) combisystem Branch Pruners S with 3-Fold Roller Transmission (304) Hedge Clippers (316) Branch Cutters Long 160 AL (322) Branch Cutters Short 115 AL (323) Comfort Branch Pruners and Pruning Shears 220 P (343) Gear-Operated Hedge Clippers 520 (385) Gear-Operated Hedge Clipper 560 (386) Classic Hedge Clippers 540 FSC pure (391) Comfort Hedge Clippers 570 (392) Comfort Gear-Operated Hedge Clippers 600 (393) Comfort Telescopic Hedge Clippers 700 T (394) Premium Gear-Operated Hedge Clippers 650 (395) Premium Hedge Clippers 750 (396) Classic Hedge Clippers 510 FSC vz pure (397) Classic Hedge Clippers 540 FSC vz pure (398) Classic Garden Shears 190 (600) Classic Garden Shears 190 S (601) Comfort Garden Shears 200 V (607) Comfort Garden Shears 200 VC (608) Comfort Garden Shears 205 VP (609) Classic Anvil Garden Shears 180 (610) Comfort Anvil Garden Shears 195 V (617) Comfort Anvil Garden Shears 195 VC (618) Comfort Garden Shears Range (638) Comfort Pruning Loppers 770 AL (642) Comfort Branch Pruners and Pruning Shears 220 P (643) Comfort Pruning Loppers 780 BL (646) Comfort Pruning Loppers 860 AL (649) Comfort Pruning Loppers 870 BL (659) Premium Garden Shears (8702) Premium Garden Shears (8701) Comfort Ratchet Secateurs SmartCut (8798) Comfort Garden Shears (8792) Comfort Anvil Garden Shears (8793) Comfort Garden Shears (8790) Comfort Garden Shears Low Head (8788) Comfort Garden Shears (8785) Comfort Anvil Garden Shears (8787) Classic All Purpose Garden Shears (8759) Classic Pruning Shears (8757) Classic Garden Shears (8754) Classic Anvil Garden Shears (8755)