resistors in different power levels

electronics machine green blue vehicle resistors power ratings electronic circuit board focused watt gray resistor technology closeup repair electric industry engineering science technical spare passive service piece electrical-component connection diagram circuitry electrical-engineering electronics-industry fixed technician physics electric-circuit electrotechnics technical-background soldered ohmic part- kit lab layer layout capacitor automation kilohm ampere voltage circuit-board pcb equipment 1-watt electrical ohm resistance 0-25-watt 0-50-watt ifferent levels