Strikes by Palestinian teachers on the West Bank over pay and conditions continue in defiance of union; teachers in 50 cities across Iran and petrochemical workers walk out over pay and conditions; general strike in Algeria over rise in price of cooking oil and wheat; miners at Sibanye-Stillwater gold mines South African entering third month of strike reject latest pay offer and hold out for 9.8 percent; one-day national strikes and rallies in Italy and Belgium over pay