Abstract: Provided is a cleaning apparatus, including a liquid supply tank, a liquid storage tank, a first cleaning component, a first rib, disposed on the first cleaning component, for being in contact with a member to be cleaned; where the first rib has two opposite walls protruding above a top surface of the first cleaning component, and the two opposite walls extend along a length direction of the first cleaning component; and a liquid supply port, supplying cleaning liquid in the liquid supply tank to the first cleaning component, where the liquid supply port faces down toward a liquid input end of the first cleaning component; and where liquid injected from the liquid input end flows toward the member to be cleaned and cleans the member to be cleaned under a guidance of the two opposite walls, and is collected to the liquid storage tank.

Abstract: A chain saw includes a housing, the housing including a first housing, a second housing, and a receiving cavity formed by the first housing and the second housing; a cutter including a blade chain and a blade bar for supporting the blade chain, the cutter being mounted on the housing; a power assembly, the power assembly including a drive unit for driving the cutter and a power supply unit for supplying power to the drive unit; a front handle connected to the second housing and surrounding the first housing, the front handle including a grip portion, a first and second fixing parts which are located at two ends of the grip portion, the first fixing part abutting on the side wall of the second housing, and the second fixing part being located at the bottom of the housing and connecting with the second housing.

Abstract: The present invention provides a chain saw includes a housing, the housing including a first housing, a second housing, and a receiving cavity formed by the first housing and the second housing; a cutter including a blade chain and a blade bar for supporting the blade chain, the cutter being mounted on the housing; a power assembly, the power assembly comprising a drive unit for driving the cutter and a power supply unit for supplying power to the drive unit; a front handle connected to the second housing and surrounding the first housing, the front handle comprising a grip portion, a first and second fixing parts which are located at two ends of the grip portion, the first fixing part abutting on the side wall of the second housing, and the second fixing part being located at the bottom of the housing and connecting with the second housing.