Zida zopangira feteleza za bakha
Zida zopangira fetereza za bakha zimaphatikizanso zida zosonkhanitsira, zonyamulira, zosungira, ndi kukonza manyowa a bakha kukhala feteleza wachilengedwe.
Zida zosonkhanitsira ndi zonyamulira zingaphatikizepo malamba a manyowa, zofukizira manyowa, mapampu a manyowa, ndi mapaipi.
Zida zosungiramo zingaphatikizepo maenje a manyowa, madambo, kapena matanki osungira.
Zida zopangira feteleza wa manyowa a bakha zimatha kukhala zotembenuza kompositi, zomwe zimasakaniza ndi kutulutsa manyowa kuti ziwondole.Zida zina zomwe zimagwiritsidwa ntchito popanga ndondomekoyi zingaphatikizepo makina ophwanya kuti achepetse kukula kwa tinthu ta manyowa, kusakaniza zipangizo kuti asakanize manyowa ndi zinthu zina zamoyo, ndi zida za granulation kuti apange feteleza womalizidwa kukhala granules.
Kuphatikiza pazidutswa za zida izi, pakhoza kukhala zida zothandizira monga malamba onyamula ndi zokwezera ndowa zonyamula zinthuzo pakati pa masitepe okonza.