Nkwọ Chain chọrọ mmanụ ụgbọala, mmanụ engine na yinye saw yinye mmanu:
1. Mmanụ ụgbọala nwere ike iji mmanụ ụgbọala na-enweghị lead nke No. 90 ma ọ bụ karịa.Mgbe ị na-agbakwunye mmanụ ụgbọala, a ga-ehichapụkwa okpu mmanụ mmanụ na mpaghara gbara ya gburugburu nke oghere mmanụ ọkụ tupu ị na-agbanye mmanụ iji gbochie irighiri ihe ịbanye na tank mmanụ.Ekwesịrị idowe alaka ụlọ ọrụ dị elu n'ebe dị larịị na okpu mmanụ mmanụ chere ihu n'elu.Ekwela ka mmanụ ụgbọala wụfuo mgbe ị na-ekunye mmanụ, emejukwala tankị mmanụ ọkụ.Mgbe ị gbachara mmanụ, jide n'aka na ị ga-eme ka okpu mmanụ ụgbọala sie ike dịka i nwere ike iji aka.
2. Mmanụ ahụ nwere ike iji mmanụ ọkụ abụọ dị elu dị elu iji hụ na engine nwere ogologo ndụ ọrụ.Ejila igwe strok anọ nkịtị.Mgbe ị na-eji mmanụ engine abụọ nwere strok ọzọ, ihe nlereanya kwesịrị ịdị ogo ọkwa tc.Mmanụ ụgbọala ma ọ bụ mmanụ na-adịghị mma nwere ike imebi injin, akàrà, ụzọ mmanụ na tank mmanụ.
3. Ngwakọta nke mmanụ ụgbọala na mmanụ engine, ihe ngwakọta: jiri mmanụ engine mmanụ pụrụ iche maka alaka ụlọ ọrụ dị elu ka ọ bụrụ 1:50, ya bụ, 1 akụkụ mmanụ gbakwunyere akụkụ 50 nke mmanụ ụgbọala;jiri mmanụ engine ọzọ na-ezute ọkwa tc bụ 1:25, ya bụ, akụkụ 1 25 nke mmanụ ụgbọala ruo akụkụ 25 nke mmanụ engine.Usoro ngwakọta bụ ibu ụzọ wụsa mmanụ n'ime tank mmanụ na-enye ohere mmanụ, wee wụsa mmanụ ụgbọala, gwakọta ya nke ọma.Ngwakọta mmanụ ụgbọala-mmanụ ga-aka nká, na nhazi izugbe ekwesịghị ịfe otu ọnwa.Ekwesịrị itinye nlebara anya pụrụ iche iji zere kọntaktị ozugbo n'etiti mmanụ ụgbọala na akpụkpọ anụ, ma zere iku ume gas na-agbanwe site na mmanụ ụgbọala.
4. Jiri nnukwu yinye saw yinye mmanu mmanu mmanu, ma mee ka mmanu mmanu ghara idi ala ka okwa mmanu iji belata iyi nke yinye na sawtooth.Ebe ọ bụ na a ga-ewepụ mmanụ mmanu agbụ ahụ kpamkpam na gburugburu ebe obibi, mmanụ mmanụ nkịtị bụ mmanụ ala, anaghị emebi emebi, na-emerụkwa gburugburu ebe obibi.A na-atụ aro ka iji mmanụ agbụ ígwè na-emebi emebi dị ka o kwere mee.Ọtụtụ mba mepere emepe nwere iwu siri ike na nke a.Zere mmetọ gburugburu ebe obibi.