Men come in various colors, heights, weight, and body shapes. Just to classify the major races of men on earth, steel components could be whites; plastic components could be Orientals; aluminum components could be Indians, and rubber components could be blacks. In these classes the parts are still different. A steel bolt looks different from a steel door handle on the lavatory door.
Men lumapit di iba-iba kulayan, taas, timbang, at body hubugin. makatarungan sa uriin ang komandante magtumulin ng men sa daigdig, lagyan lapatan ng asero components could maaari puti; plastik components could maaari silanganin; aluminyo components could maaari ituro, at goma components could maaari panday. di tesis ipareho ng uri ang mahati ay patahimikin iba.