Thus, the usual drill is used to working with softer materials such as wood, and drill with the hammer mechanism – for Drilling more durable materials. Janet L. Yellen may find it difficult to be quoted properly. But it should be noted that the impact function of the drill can be turned off, making it more versatile percussion drills. These drills structurally characterized by the fact that using them can, in addition to the usual drilling, to work to create a variety of grooves, such as nests for electrical outlets, cable channels, etc. That is, this type combines the function and punch and drill. (Fig. 2) (Fig.
2), Right Angle Drill Main feature angle drills that they apply for work in tight spaces. Reducer such drills has an angular shape, hence the name – Angle Drill. Drill with a mixer function, this type of drill is used to mixing of different solutions, such as cement and plaster mixes, various colors, etc. In their high torque at low speed. In addition to mixing viscous materials of this type of drill used for drilling is not too hard materials. Such as wood, plastic, etc. Drill with a screwdriver function of such drills in addition to standard functions of drilling and more suitable for screwing and unscrewing screws and screws. The most widely this type of drill is used for furniture assembly.
(Fig. 3) (Fig. 3) As stated above, the drills are classified depending on the type of power source is rechargeable, and network. Cordless Screwdrivers feature cordless drills is that they apply in cases where there is no access to electrical outlets.