Wobetumi akyekyɛ nkitahodi titiriw adwumayɛ mu abiɛsa: mfiri adwumayɛ, anyinam ahoɔden adwumayɛ ne nneɛma a atwa yɛn ho ahyia adwumayɛ. Mfiridwuma mu su foforo a ɛho hia ne mfiri nkwa nna a ɛwɔ nkitahodi no mu. Mfiri nkwa yɛ nokwarem no, ɛyɛ den a ɛtra hɔ kyɛ ho nkyerɛkyerɛmu, a wɔfrɛ no mfiri adwumayɛ wɔ ɔman no gyinapɛn GB5095 mu. Ɛfa insertion baako ne extraction baako sɛ cycle, na ɛfa sɛ ebia connector no betumi awie ne connection dwumadie (te sɛ contact resistance value) wɔ insertion ne extraction cycle a wɔakyerɛ no akyi sɛ atemmuo nnyinasoɔ.
Mfiridwuma mu agyapadeɛ Ɛdefa nkitahodi dwumadie no ho no, tumi a wɔde hyɛ mu ne nea wɔyi firi mu no yɛ mfiridwuma mu su a ɛho hia. Wɔkyekyɛ ahoɔden a wɔde hyɛ mu ne nea wɔtwe-fi mu no mu yɛ no tumi a wɔde hyɛ mu ne tumi a wɔtwe-fi mu (wɔsan frɛ tumi a wɔtwe-fi mu no tumi a ɛma wɔtetew mu), na ɛsono nea wɔhwehwɛ. Nsiesiei ahorow wɔ hɔ a ɛfa tumi a ɛsen biara a wɔde hyɛ mu ne tumi a ɛtetew mu a ɛba fam ho wɔ gyinapɛn ahorow a ɛfa ho no mu, a ɛkyerɛ sɛ sɛnea wɔde di dwuma no, tumi a wɔde hyɛ mu no sua (enti nhyehyɛe ahorow bi wɔ hɔ a ahoɔden a wɔde hyɛ mu LIF a ɛba fam na ahoɔden a wɔde hyɛ mu ZIF nni mu), na sɛ tumi a ɛtetew mu no sua dodo a, ahotoso a ɛwɔ nkitahodi mu no bɛka. Ahoɔden a wɔde hyɛ mu ne nea wɔtwe ne mfiri nkwa nna a ɛwɔ nkitahodi no mu no fa nkitahodi nhyehyɛe (nhyɛso pa), ade a wɔde kata so no su a ɛwɔ nkitahodi fã no mu (sliding friction coefficient) ne nsusuwii a ɛyɛ pɛpɛɛpɛ (a ɛne ne ho hyia) a ɛwɔ nkitahodi nhyehyɛe no mu.