Tools which can be adjusted to suit different voltages, or to different speeds, shall be so constructed that accidental changing of the setting is unlikely to occur, if such a change might result in a hazard.Compliance is checked by inspection and by manual test.""Tools shall be so constructed that accidental changing of the setting of control devices is unlikely to occur.Compliance is checked by manual test.""It shall not be possible to remove parts which ensure the required degree of protection against moisture without the aid of a tool.Compliance is checked by manual test.""If handles, knobs and the like are used to indicate the position of switches or similar components, it shall not be possible to fix them in a wrong position if this might result in a hazard.Compliance is checked by inspection and by manual test.""For tools having compartments to which access can be gained without the aid of a tool and that are likely to be cleaned in normal use, the electrical connections shall be arranged so that they are not subject to pulling during cleaning.Compliance is checked by inspection and by manual test."