Taa, anyị ga-ewebata n'ụzọ dị nkenke ọgwụgwọ abụọ dị n'elu maka rim nchara.
1. Agba agba: A na-ejikarị agba eme achịcha, ụfọdụ ụdị Volkswagen na-agbaso usoro a. Ihe e ji mara usoro a bụ: ọnụ ahịa dịtụ ọnụ ahịa na ọnụ ahịa agafeghị oke; Agba, ịma mma, na ogologo - njide na-adịgide adịgide; N'ikwu okwu n'ozuzu, ụdị mgbanaka ígwè a nwere ọtụtụ nkọwa.
2. Electroplating: Electroplating nwere ike kewaa n'ụdị dị ka ọlaọcha electroplating, electroplating, na ọcha electroplating. Silver electroplating na mmiri electroplating nwere agba ka mma, ma ha nwere obere oge njide, ebe dị ọcha electroplating nwere uru na ma agba na oge njide, ya mere, price bụ dịtụ elu na adabara elu - ụgbọ ala ọgwụgwụ.