There are many ways to keep a ladder from slipping. The easiest “put on” her old sneakers or shoes with a rubber sole.
Recommend to read
FIRE… WATER
That a few liters of water enough to obtain a flame of high temperature (200° C), make sure everyone, read the description of the device developed by me to the cell. Big flame...
GLIDER FOR ALL: WHAT WILL IT BE?
Can you name at least one model class that is really available to everyone? Until recently the answer to this question could only be unequivocal: no. But the sport is evolving...
