Luso la kulenga boomerang ndizojambula zakale. M'mbuyomu ku China, zogulitsira zowonongekazi zinkakhala zida, choncho zitsulo kapena matabwa ankagwiritsira ntchito. Komabe, mbiri ya zida zoterezi zinayamba ngakhale kale. Aborigines a ku Australia, amene ankasaka mbalame, anazindikira kuti nkhuni zina zimangouluka, pamene ena mwa njira inayake anabwerera m'manja mwao. Zingakhale zachilendo ngati katundu wodabwitsa kwambiri wa malowa atasiyidwa popanda chidwi, chifukwa kusaka ndi chida chobwezera chokha chinali chosavuta.
Masiku ano boomerang yosaoneka bwino kwambiri ndi chidole chabwino kwambiri cha ana. M'masitolo omwe magulu osiyanasiyana a zinthu zogulitsa ana amagulitsidwa, munthu amatha kuona zojambula zopangidwa ndi pulasitiki mu mitundu yosiyanasiyana. Zoweta zoterozo ndi zotchipa, koma kulengedwa kwa boomerang pawokha sikungatenge nthawi yochuluka kunyumba. Kuwonjezera apo, mwanayo adzakhala wokondweretsa kwambiri kusewera boomerang, pamene adalenga yekha.
Pepala kapena makatoni - ndizo zonse zomwe mukufunikira kwa iwo omwe sadziwa kupanga boomerang ndi manja awo maminiti pang'ono. Chidole choterechi chimakonda kwambiri ana, komanso ngakhale ndi makolo awo, ndizosangalatsa kuyang'ana ndege yake ndikubwerera. Mutha kukonza mpikisano wokondweretsa kuponya m'nyumba kapena pamsewu. Zonsezi zidzapezeka kwa anthu omwe amawerenga nkhani yathu momwe angadzipangire okha mapepala kapena boomerang.
Choncho, musanapange boomerang pepala, konzekerani pepala la A4 lomwe liyenera kudula pakati. Tikusowa gawo limodzi lokha.
- Tchulani bend lazitali. Timagwiritsa ntchito mapepala apansi ndi apamwamba pa pepala. Kenaka ntchito yonseyo iyenera kuwerama, koma yayamba kale kumbali yolumikiza. Kumalo kumene makona amawumbidwa, onetsetsani ku mzere wapakati. Tsopano ife tikuwongolera makona ndi mzere, kutsegula gawo la pansi la ntchito yathu.
- Lembani tsatanetsatane pamzere wozungulira umene tili nawo pakati, podula gawo lamanzere kumanja kwa malo. Mbali ya kumanzere imakwera pa ngodya ya madigiri 90 kupita ku ndege, kuitembenuza iyo pang'onopang'ono.
- Pindani ku mzere wolumikizira theka la pepala, ndipo gawo loweramitsa likutsika pansi kuti lipeze mbali yoyenera. Timamanganso chapamwamba chakumtunda kwa boomerang. Mu thumba lomwe limapangidwa pakati, timadzaza pang'onopang'ono pamtundu wa m'munsi, tisanayambe kupindika, kuwonjezera kumatungidwa. Chigawo chapakati tsopano chatsekedwa.
- Timayambanso mapepala kumapeto kwa mapepala apansi. Pindani makona mkati ndikuwongolera kuwonjezera. Kenaka timayika kona kumanzere mkati, ndikuyamba kuigwedeza. Khola linapangidwa pa workpiece. Tsopano pindani ngodya yolondola.
- Timadzaza zolinga zolumikizidwa bwino m'khola, lomwe limapangidwa ndi valve yosakanikirana. Timapeza mtanda wa boomerang ndi odulidwa. Mofananamo, timatsegula ngodya pamwamba pazomwezi. Tsopano pepala lathu lopangidwa ndi manja la boomerang liri okonzeka kuthawa!
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Tsopano inu mukudziwa momwe mungapangire boomerang ya pepala, koma kuperewera kwake ndiko kupunduka. Chidole chopangidwa ndi makatoni chidzakhala chokhazikika. Boomerang ikhoza kupangidwa ndi masamba atatu, anayi ndi asanu. Malinga ndi ndondomeko ili m'munsiyi, imangokhala kudula kuchokera ku khadi lamtengo wapatali chiwerengero cha ziwalozo ndikugwiritsira ntchito. Izi ndizofunika, chifukwa ndizofunika kulingalira kukana kwa mpweya.
Kuwonjezera apo, mazenera pakati pa makina onse a boomerang ayenera kukhala ofanana, chifukwa choseweracho sichidzabwerera. Mutha kuyang'ana izi ndi protractor wamba.