Asiwo kune dzimwe mhando dzezvigayo zvinoshandiswa kupwanya magodo akasiyana muhushangazhi. Kumigodhi kune zvigayo zvinogaya matombo zvichitsetsa kusvika pakutsetseka kudiki pane jecha. Kana kuri kumigodhi chitofu chinenge chabva kubandwa ne mhandamabwe. Chitofu chinotsetsewa kusvika chaita sejecha chiine tsanga dziri pasi pe 100 micrometer.