Answer : The quality of Peta Laha is given below - it is very soft and its leaf , texture and strength qualities are sufficient. It can be easily bent , without any cracks or fissures. It can be easily machined , welded and forged. Its maximum tensile strength is 2500-5000kg / mc 2 . Its maximum compressive strength is 3000 kg / mc 2 . This is the purest form of Laha. It contains about 99% lahe.