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
FIGHTING VEHICLE BM-13 “KATYUSHA”
Tests of the new weapon made a strong impression even on seasoned commanders. Indeed, shrouded in smoke and flames fighting machine in just a few seconds produced by sixteen jet...
“MODEST”, BUT DANGEROUS
Creating your armored cruisers, German Naval Ministry, headed by Admiral Tirpicz was faced with the problem, at first glance seeming ridiculous: what to do with them? In common thinking,...