A supporting device for exhibiting golf clubs enabling the easy dismounting and storing of the golf clubs from and onto the supporting device. The dwf4 polynucleotides that encode all, or a portion of, a DWF4 polypeptide, a cytochrome P450 enzyme that mediates multiple steps in synthesis of brassinosteroids. The electronic circuits and coil of the sound processor are housed in a material transparent to RF signals. A temporary chip alignment structure includes a transparent plate exposed to ablating radiation; the plate is then detached and removed. The PUF key generator is to generate a PUF key based on the PUF value. The sizing agent includes essentially an ester compound having a vinyl ester group, acrylate group or methacrylate group bonded to at least one of the chain ends of the main chain of the ester compound, and of a polyoxyalkylene alkyl ether which is an adduct between an alkylene oxide and a C4-14 monohydric alcohol.