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Terms in this set (58)

Mains powered drill
Ergonomics
Die cast aluminum which is a thermal conductor so heat transfers though it quickly. Handle does not have contrast material or grip making it harder to hold. Quite big and heavy so it requires two hands to hold. Chuck key is an additional tool which is less convenient as it can get lost. It can only be used when there is a power supply and is restricted by wire making it less portable. Centre of mass will make the drill front body heavier, so it causes strain on the hand.
Safety
It is an electrical conductor which is not ideal due to risk of wiring issues and burns. Use of standard crew fixing increases risk of user disassembling product and accessing live wiring. It would have to be lent down making access harder when picking up.
Cordless Drill
Ergonomics
Longer handle for full hand grip and centre of mass is distributed from body to base on the handle so less strain for hand when carrying it. It is wireless therefore is portable indoors and outdoors without the need for power and can be recharged from the power when required. Injected moulded so quicker process in large scale production and gives thermoplastic body. Keyless chuck is convenient as it is integrated into the drill without any additional tool. It has moulded texture to give grip. Contrasting colours with background, contrasting font is used for torque settings to stand out against background colour increasing ease of use.
Safety
Lower power input of 9.6V than 230V to reduce risk of burns or electric shock. The material ABS is an insulator so can prevent handle getting too hot causing burns and gives neutral temperature. Security fasteners enables secure and safe assembly and disassembly by the user without having drill bits on loose and less vibration or tampering while in use. Flat base to allow it to stand when not in use so that it is easy to pick it up.