A weight adjusting structure of a golf club head comprises a 360-degree rotatable rotary table installed in a body of a golf club head, wherein the rotary table is combined with an incomplete annular weight block at a peripheral portion on an arbitrary side thereof, so that the rotary table and the weight block form a rotary table assembly whose weight orientation can be adjusted. The local signal generator supplies a plurality of local signals. One embodiment of the present invention relates to a method for determining access to non-preemptive DRAM devices. The catheter stiffens without straightening and, in the stiff state, the catheter or the guidewire is projecting through the CTO. The CMOS circuit can thus operate stably with lower power consumption, because latching-up is reduced when the supply voltage is applied to the CMOS circuit or when the supply voltage is cut off, and subthreshold current is decreased during normal operation. The unsaturated alkylene glycol ether monomer of the present invention is an unsaturated alkylene glycol ether monomer production method for producing an unsaturated alkylene glycol ether monomer by addition reaction of an alkylene oxide on an unsaturated alcohol, wherein the production method includes a step of carrying out addition reaction under condition of existence of 0.