Saltwater crab

tool study background

since I have learned cycling, in 1996 to 97, I make a bicycle from 18 to 21

in 2000, I start the first study of cup cooler

in 2002, I study and repair sponge loosen problem of the piano and save HK$3000 repair payment

in 2003, start to make z-life.info and study macro and micro photo technic

in 2005, started combine metal and wood work knowledge, and make photo helper ver 1.00

in 2005, win a personal special prize separating plastic bottle competition in the Tuen Mun

in 2005 to 06, I start to make a walk helper but false and the walk helper redesign to be a photo helper ver 2.00 in 2006 July

in 2007 Feb, design walk helper ver 4.00, but find it is a useful tool study, difficult to make and low effect, and not relate to creatures study. Thus, to enhance tool study contribution to creatures study, I design to concentrate tool study to Tool study for creatures study

in 2007 Jul, add environment tool study

Tool study for creatures study

photo helper ver 9.00