Abstract: A drilling device for the left-handed users and the right-handed users, includes a base, a housing, a drilling chuck, a feeding horizontal shaft, a roll-shaped spring and two control units, wherein the housing is disposed above the base, the drilling chuck is disposed on the bottom surface of the housing, the feeding horizontal shaft is penetrated through the housing and has two ends bulging out the surface of the housing, the roll-shaped spring is mounted on one end of the feeding horizontal shaft, and the two control units have two hubs which are assembled disposed at the two ends of the feeding horizontal shaft and simultaneously only have ones of the right-handed handles and the left-handed handles which can be lockable jointed at the one of the two hubs, such that when a user operates the drilling device, the user can keep ones or all of the right-handed handles and the left-handed handles for operating the drilling device according to personal habitual behavior.

Abstract: An orchid cultivating device, which includes a flat base plate, and two guard members fastened to the flat base plate to hold sphagnum moss and orchids, wherein the base plate has a plurality of retainer rods, a plurality of clamps holding a spray tube at the top side, and a water trough for connecting excessive water; the guard members each have a plurality of arched ribs defining a plurality of open spaces for ventilation, and a plurality of peripheral mounting lugs respectively engaged with the retainer rods at the base plate. The base plate and the guard members can be injection-molded from plastics to reduce the manufacturing cost. Hanger means can be fastened to through holes at the base plate for carrying by hand, or hanging on a high place.